{"id":22,"date":"2015-07-27T15:32:08","date_gmt":"2015-07-27T22:32:08","guid":{"rendered":"http:\/\/sites.uci.edu\/zender\/?page_id=19"},"modified":"2024-06-05T16:42:58","modified_gmt":"2024-06-05T16:42:58","slug":"home","status":"publish","type":"page","link":"https:\/\/sites.ps.uci.edu\/zender\/","title":{"rendered":"Home"},"content":{"rendered":"<h1>About<\/h1>\n<hr>\n<div>\n<p>The Zender Research Group studies the microphysics of trace gas, aerosol, and surface interactions with Earth\u2019s radiative, thermodynamic, and chemical processes. Charles Zender and his team develop and refine the representation of these processes to improve climate prediction. Model simulations, combined with lab, field, and satellite data, help them predict and attribute features of climate and climate change. Current research includes mineral dust and carbonaceous aerosols, snow lifecycle and albedo, aerosol impacts on ocean biogeochemistry, wind-driven surface energy\/mass exchange, climate-disease links, and super-dooper-big-scale data analysis. The team\u2019s aerosol, radiative transfer, and data processing models are freely available and are used by geoscientists world-wide.<\/p>\n<p>Research Area: Atmospheric Chemistry, Physical Climate<\/p>\n<\/div>\n<h1>\n<p>Research<\/p>\n<\/h1>\n<hr>\n<ul>\n<li>\n<p>        <img decoding=\"async\" src=\"\/zender\/wp-content\/uploads\/sites\/25\/2024\/06\/15-0296_Tedesco_4989_5807_main_Web.jpeg\" alt=\"Aerial photograph taken on 24 July 2015 over the southwest portion of the Greenland ice sheet, Credit: Marco Tedesco.\"><\/p>\n<h3>Greenland Bare Ice Albedo Modeling<\/h3>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"https:\/\/sites.ps.uci.edu\/zender\/wp-content\/uploads\/sites\/25\/2022\/08\/map_nap_laffin_et_al_2022.png\" alt=\"\"><\/p>\n<h3>Wind-driven surface energy\/mass exchange<\/h3>\n<p>Northern Antarctic Peninsula map by Matthew K. Laffin, Zender, C. S., van Wessem, M., and Marinsek, S. is licensed under CC BY 4.0.<\/p>\n<p><a href=\"\/zender\/wind-driven\/\">Read more<\/a><\/p>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"https:\/\/sites.ps.uci.edu\/zender\/wp-content\/uploads\/sites\/25\/2022\/08\/variation_density_depth_schneider_et_al_2022.jpeg\" alt=\"\"><\/p>\n<h3>Modeling ice sheet climatic mass balance and firn processes<\/h3>\n<p>Variation of densities with depth by Adam M. Schneider, Zender, C.S., and Price, S.F. is licensed under CC BY 4.0.<\/p>\n<p><a href=\"\/zender\/modeling-ice-sheet-climatic-mass-balance-and-firn-processes\/\">Read more<\/a><\/p>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"https:\/\/sites.ps.uci.edu\/zender\/wp-content\/uploads\/sites\/25\/2022\/08\/model_snow_ice_whicker_et_al_2022.png\" alt=\"\"><\/p>\n<h3>Modeling bare ice and glacier algae albedo<\/h3>\n<p>SNICAR-ADv4 model schematic by Chloe A. Whicker, Flanner, M., Dang, C., Zender, C., Cook J., and Gardner, A. is licensed under CC BY 4.0.<\/p>\n<p><a href=\"\/zender\/bare-ice-and-glacier-algae-albedo-modeling\/\">Read more<\/a><\/p>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/zender\/wp-content\/uploads\/sites\/25\/2022\/06\/sea_ice.jpeg\" alt=\"\"><\/p>\n<h3>Atmospheric Sensitive to a Spectrally Resolved Surface Albedo<\/h3>\n<p><a href=\"\/zender\/atmospheric-sensitive-to-a-spectrally-resolved-surface-albedo\/\">Read more<\/a><\/p>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/zender\/wp-content\/uploads\/sites\/25\/2021\/01\/DSC_0083.jpg\" alt=\"\"><\/p>\n<h3>Greenland\u2019s Surface Melt<\/h3>\n<p><a href=\"\/zender\/greenland-surface-melt\/\">Read more<\/a><\/p>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/zender\/wp-content\/uploads\/sites\/25\/2021\/01\/20171230_154023_all-borrego_elena-thompson.jpg\" alt=\"\"><\/p>\n<h3>Evaluating, Modeling, and Attributing Particulate Matter Air Quality in Borrego Springs<\/h3>\n<p><a href=\"\/zender\/borrego-dust\">Read more<\/a><\/p>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/zender\/wp-content\/uploads\/sites\/25\/2021\/01\/image2.jpg\" alt=\"\"><\/p>\n<h3>Climatic Responses to Future Trans-Arctic Shipping<\/h3>\n<p><a href=\"\/zender\/arctic-shipping\">Read more<\/a><\/p>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/zender\/wp-content\/uploads\/sites\/25\/2021\/02\/seaice_research.jpg\" alt=\"\"><\/p>\n<h3>Spectrally Resolved and Surface Type Dependent Longwave Emissivity in Sea Ice Modeling<\/h3>\n<p><a href=\"\/zender\/sea-ice-modeling\">Read more<\/a><\/p>\n<\/li>\n<\/ul>\n<ul>\n<li>\n<p>        <img decoding=\"async\" src=\"\/zender\/wp-content\/uploads\/sites\/25\/2024\/06\/15-0296_Tedesco_4989_5807_main_Web.jpeg\" alt=\"CA Whicker-Clarke\"><\/p>\n<h3>Greenland Bare Ice Albedo Modeling <\/h3>\n<p><a href=\"https:\/\/sites.ps.uci.edu\/zender\/greenland-bare-ice-albedo-modeling\/\"><\/a><\/p>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"https:\/\/sites.ps.uci.edu\/zender\/wp-content\/uploads\/sites\/25\/2022\/08\/map_nap_laffin_et_al_2022.png\" alt=\"\"><\/p>\n<h3>Wind-driven surface energy\/mass exchange<\/h3>\n<p>Northern Antarctic Peninsula map by Matthew K. Laffin, Zender, C. S., van Wessem, M., and Marinsek, S. is licensed under CC BY 4.0.<\/p>\n<p><a href=\"\/zender\/wind-driven\/\"><\/a><\/p>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"https:\/\/sites.ps.uci.edu\/zender\/wp-content\/uploads\/sites\/25\/2022\/08\/variation_density_depth_schneider_et_al_2022.jpeg\" alt=\"\"><\/p>\n<h3>Modeling ice sheet climatic mass balance and firn processes<\/h3>\n<p>Variation of densities with depth by Adam M. Schneider, Zender, C.S., and Price, S.F. is licensed under CC BY 4.0.<\/p>\n<p><a href=\"\/zender\/modeling-ice-sheet-climatic-mass-balance-and-firn-processes\/\"><\/a><\/p>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"https:\/\/sites.ps.uci.edu\/zender\/wp-content\/uploads\/sites\/25\/2022\/08\/model_snow_ice_whicker_et_al_2022.png\" alt=\"\"><\/p>\n<h3>Modeling bare ice and glacier algae albedo<\/h3>\n<p>SNICAR-ADv4 model schematic by Chloe A. Whicker, Flanner, M., Dang, C., Zender, C., Cook J., and Gardner, A. is licensed under CC BY 4.0.<\/p>\n<p><a href=\"https:\/\/sites.ps.uci.edu\/zender\/bare-ice-and-glacier-algae-albedo-modeling\/\"><\/a><\/p>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/zender\/wp-content\/uploads\/sites\/25\/2022\/06\/sea_ice.jpeg\" alt=\"\"><\/p>\n<h3>Atmospheric Sensitivity to a Spectrally Resolved Surface Albedo<\/h3>\n<p><a href=\"\/zender\/atmospheric-sensitive-to-a-spectrally-resolved-surface-albedo\/\"><\/a><\/p>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/zender\/wp-content\/uploads\/sites\/25\/2021\/01\/DSC_0083.jpg\" alt=\"\"><\/p>\n<h3>Greenland\u2019s Surface Melt<\/h3>\n<p><a href=\"\/zender\/greenland-surface-melt\"><\/a><\/p>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/zender\/wp-content\/uploads\/sites\/25\/2021\/01\/image2.jpg\" alt=\"\"><\/p>\n<h3>Climatic Responses to Future Trans-Arctic Shipping<\/h3>\n<p><a href=\"\/zender\/arctic-shipping\"><\/a><\/p>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/zender\/wp-content\/uploads\/sites\/25\/2021\/01\/20171230_154023_all-borrego_elena-thompson.jpg\" alt=\"\"><\/p>\n<h3>Evaluating, Modeling, and Attributing Particulate Matter Air Quality in Borrego Springs<\/h3>\n<p><a href=\"\/zender\/borrego-dust\"><\/a><\/p>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/zender\/wp-content\/uploads\/sites\/25\/2024\/04\/unnamed.png\" alt=\"\"><\/p>\n<h3>Bias reduction in Earth System Models via improved representations of longwave emissivity<\/h3>\n<p><a href=\"\/zender\/surface-emissivity\"><\/a><\/p>\n<\/li>\n<\/ul>\n<h1>People<\/h1>\n<hr>\n<ul>\n<li>\n<p>        <img decoding=\"async\" src=\"\/zender\/wp-content\/uploads\/sites\/25\/2021\/01\/pix_csz_kauai_201407-1.jpg\" alt=\"\"><\/p>\n<h3>Charlie Zender<\/h3>\n<div>\n<p><button class=\"uk-button uk-button-secondary uk-margin-small-right\" type=\"button\" uk-toggle=\"target: #modal-pritchard\">Learn More<\/button><\/p>\n<p><!-- This is the modal --><\/p>\n<div id=\"modal-pritchard\" uk-modal=\"\">\n<div class=\"uk-modal-dialog uk-modal-body\">\n<h2 class=\"uk-modal-title\">Charlie Zender<\/h2>\n<p>I am a physicist who studies climate to help piece together the climate puzzle so that as people alter Earth, intentionally or not, we better understand the likely outcomes. Rapid changes like vanishing snow and ice, blowing dust, and burning forests fascinate me most, because fast processes often indicate pressure points to which Earth is sensitive. Recently we discovered that nothing heats the planet faster than the pollution that darkens snow. This has helped spur the policy shift to reduce soot emissions. My current research includes desert dust and fire-emitted soot particulates, snowpack lifecycle, reflectance, and emission, wind-dispersal of nutrients and pathogens, wind-drag effects on deserts and oceans, wind-induced melt, and ice shelf hydrofracture. Better understanding of these processes will improve predictions of dust storms, disease endemicity, seasonal snowpack, and ice shelf disintegration. I also work to accelerate large-scale analysis techniques for data stored in netCDF format which predominates in the geosciences.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/zender\/wp-content\/uploads\/sites\/25\/2021\/01\/jtolento_ess.jpg\" alt=\"\"><\/p>\n<h3>Juan Tolento<\/h3>\n<div>\n<p><button class=\"uk-button uk-button-secondary uk-margin-small-right\" type=\"button\" uk-toggle=\"target: #modal-tolento\">Learn More<\/button><\/p>\n<p><!-- This is the modal --><\/p>\n<div id=\"modal-tolento\" uk-modal=\"\">\n<div class=\"uk-modal-dialog uk-modal-body\">\n<h2 class=\"uk-modal-title\">Juan Tolento<\/h2>\n<p>Juan Tolento joined the Zender Group in Fall 2020 after applying through the AGU Bridge Program. Broad research interests lie in radiative transfer models. More specifically, he hopes to be able to make improvements in how models treat shortwave radiation over cryospheric surfaces (snow, ice and ocean). The aim is to better constrain the surface energy budget in order to improve\u00a0 surface and atmospheric heating rates, as well as capturing a more accurate snow albedo feedback in Earth system models.\u00a0<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/zender\/wp-content\/uploads\/sites\/25\/2021\/10\/Whicker_photo.png\" alt=\"\"><\/p>\n<h3>Chloe Whicker-Clarke<\/h3>\n<div>\n<p><button class=\"uk-button uk-button-secondary uk-margin-small-right\" type=\"button\" uk-toggle=\"target: #modal-whicker\">Learn More<\/button><\/p>\n<p><!-- This is the modal --><\/p>\n<div id=\"modal-whicker\" uk-modal=\"\">\n<div class=\"uk-modal-dialog uk-modal-body\">\n<p><b>Chloe Whicker-Clarke<\/b><\/p>\n<p>Chloe is an Associate Project Scientist in the group. Chloe works on improving the representation of snow and ice processes within Earth system models. She studies how\u00a0 bare ice, light absorbing constituents influence the radiative budget of the Greenland Ice Sheet, with a focus on bare ice and snow, glacial algal blooms, and snow and ice melt. Chloe is working to incorporate the radiative influence of various light absorbing constituents and surface melt<span class=\"Apple-converted-space\">\u00a0 <\/span>into the Energy Exascale Earth System Model to understand their contribution to polar warming, Greenland and Antarctic Ice melt, and sea-level rise. More generally, Chloe is interested in how we represent small scale processes within global fully coupled simulations of the earth system. Outside of her research, she spends her time exercising, enjoying the outdoors, and volunteering.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/zender\/wp-content\/uploads\/sites\/25\/2022\/10\/IMG_0103.jpg\" alt=\"\"><\/p>\n<h3>Lili Manzo<\/h3>\n<div>\n<p><button class=\"uk-button uk-button-secondary uk-margin-small-right\" type=\"button\" uk-toggle=\"target: #modal-manzo\">Learn More<\/button><\/p>\n<p><!-- This is the modal --><\/p>\n<div id=\"modal-manzo\" uk-modal=\"\">\n<div class=\"uk-modal-dialog uk-modal-body\">\n<h2 class=\"uk-modal-title\">Lili Manzo<\/h2>\n<p>Lili is a PhD student who joined the Zender Research Group and Earth System Science Department in 2022. She works on refining current the representation of surface emissivity in state-of-the-art atmospheric radiative transfer models. Lili works specifically on frozen and liquid water surfaces, with plans to implement novel methods of representing emissivity over ocean surface in E3SM, an Earth system model. Her work will reduce biases in models, ultimately improving calculations of the Earth&#8217;s energy budget.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/li>\n<\/ul>\n<h1>Group Alumni<\/h1>\n<hr>\n<ul>\n<li>\n<p>        <img decoding=\"async\" src=\"\/zender\/wp-content\/uploads\/sites\/25\/2021\/01\/PXL_20201117_233553638.PORTRAIT-01.COVER_3.jpg\" alt=\"\"><\/p>\n<h3>Matthew Laffin<\/h3>\n<div>\n<p><button class=\"uk-button uk-button-secondary uk-margin-small-right\" type=\"button\" uk-toggle=\"target: #modal-laffin\">Learn More<\/button><\/p>\n<p><!-- This is the modal --><\/p>\n<div id=\"modal-laffin\" uk-modal=\"\">\n<div class=\"uk-modal-dialog uk-modal-body\">\n<h2 class=\"uk-modal-title\">Matthew Laffin<\/h2>\n<p>Matt is a PhD Candidate in the <a href=\"https:\/\/www.ess.uci.edu\/\">Earth System Science department<\/a> at the University of California, Irvine. Matt\u2019s broad interests focus on the Earth\u2019s cryosphere and its many interconnected systems. Specifically, Matt aims to better understand the impact of foehn (warm and dry downslope winds) and katabatic winds have on surface melt and ice shelf stability in Antarctica and Greenland. His work uses an interdisciplinary approach that combines, surface observations, model simulations, data science, and machine learning, with the ultimate goal to help identify impacts of climate change on the Earth system.<\/p>\n<p>Visit <a href=\"https:\/\/sites.uci.edu\/mlaffin\/\">my webpage<\/a> for more info.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/zender\/wp-content\/uploads\/sites\/25\/2021\/01\/unnamed.jpg\" alt=\"\"><\/p>\n<h3>Wenshan Wang<\/h3>\n<div>\n<p><button class=\"uk-button uk-button-secondary uk-margin-small-right\" type=\"button\" uk-toggle=\"target: #modal-wang\">Learn More<\/button><\/p>\n<p><!-- This is the modal --><\/p>\n<div id=\"modal-wang\" uk-modal=\"\">\n<div class=\"uk-modal-dialog uk-modal-body\">\n<h2 class=\"uk-modal-title\">Wenshan Wang<\/h2>\n<p>I am a research scientist in the Zender Research Group. I am trying to figure out which physical processes contribute the most to the recent acceleration of Greenland\u2019s surface melt using data from automatic weather stations, satellite observations, reanalyses, and model simulations. During my Ph.D., I developed a method to reduce the station-tilt-induced biases in radiation measured by automatic weather stations, a long-lasting issue in in-situ measurements. During my postdoc, I collaborated with a former group member, Ajay Saini, to automate this tilt correction procedure for the community to use: https:\/\/github.com\/jaws\/jaws. I am also interested in simulating the climate effects of increased emissions from trans-Arctic shipping and assessing the shrinking Salton Sea\u2019s impact on the air quality in surrounding residential areas.\n<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/zender\/wp-content\/uploads\/sites\/25\/2021\/02\/Zach_wolff_bio-scaled.jpg\" alt=\"\"><\/p>\n<h3>Zachary Wolff<\/h3>\n<div>\n<p><button class=\"uk-button uk-button-secondary uk-margin-small-right\" type=\"button\" uk-toggle=\"target: #modal-wolff\">Learn More<\/button><\/p>\n<p><!-- This is the modal --><\/p>\n<div id=\"modal-wolff\" uk-modal=\"\">\n<div class=\"uk-modal-dialog uk-modal-body\">\n<h2 class=\"uk-modal-title\">Zachary Wolff<\/h2>\n<p>I am a PhD candidate in the Earth System Science department at UC Irvine. My research focuses on the longwave energy budget of sea ice and how it can be improved in climate models. My work involves updating the Department of Energy\u2019s Energy Exascale Earth System Model (E3SM) to change from a single broadband solution of longwave energy to a more detailed spectrally-resolved solution in order to include spectrally-resolved and surface type dependant emissivities that are more physically realistic into the model. These updates make the model more physically accurate and we hope will improve the representation of sea ice and the atmospheric processes tied to it in the model.\n<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/li>\n<li>\n<p>        <img decoding=\"async\" src=\"\/zender\/wp-content\/uploads\/sites\/25\/2021\/01\/google_pic.png\" alt=\"\"><\/p>\n<h3>Adam Schneider<\/h3>\n<div>\n<p><button class=\"uk-button uk-button-secondary uk-margin-small-right\" type=\"button\" uk-toggle=\"target: #modal-schneider\">Learn More<\/button><\/p>\n<p><!-- This is the modal --><\/p>\n<div id=\"modal-schneider\" uk-modal=\"\">\n<div class=\"uk-modal-dialog uk-modal-body\">\n<h3 class=\"el-title uk-h3 uk-heading-divider uk-text-primary uk-margin-top uk-margin-remove-bottom\">Adam Schneider<\/h3>\n<p>I am a physical geographer specializing in cryosphere-climate processes. My focus is on understanding how material properties of snowpack, such as density and albedo, interact with climate and the surface mass balance of the Greenland and Antarctic ice sheets. Our work aims to improve climate predictions by refining the most important cryosphere-climate interactions in the U.S. Department of Energy\u2019s Energy Exascale Earth System Model (E3SM). In developing how E3SM represents these interactions, we learn more about how the surface of Earth&#8217;s massive ice sheets will respond to future climate change.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/li>\n<\/ul>\n<p><!--more--><br \/>\n<!-- {\"type\":\"layout\",\"children\":[{\"type\":\"section\",\"props\":{\"style\":\"default\",\"width\":\"default\",\"vertical_align\":\"middle\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"title_breakpoint\":\"xl\",\"image_position\":\"center-center\"},\"children\":[{\"type\":\"row\",\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"media_overlay_gradient\":\"\",\"width_medium\":\"1-1\",\"position_sticky_breakpoint\":\"m\"},\"children\":[{\"type\":\"headline\",\"props\":{\"title_element\":\"h1\",\"text_align\":\"center\",\"content\":\"About\"}},{\"type\":\"divider\",\"props\":{\"divider_element\":\"hr\",\"divider_style\":\"\",\"divider_align\":\"\",\"divider_align_breakpoint\":\"\",\"divider_align_fallback\":\"\"}},{\"type\":\"text\",\"props\":{\"margin\":\"default\",\"column_breakpoint\":\"m\",\"content\":\"\n\n<p>The Zender Research Group studies the microphysics of trace gas, aerosol, and surface interactions with Earth\\u2019s radiative, thermodynamic, and chemical processes. Charles Zender and his team develop and refine the representation of these processes to improve climate prediction. Model simulations, combined with lab, field, and satellite data, help them predict and attribute features of climate and climate change. Current research includes mineral dust and carbonaceous aerosols, snow lifecycle and albedo, aerosol impacts on ocean biogeochemistry, wind-driven surface energy\\\/mass exchange, climate-disease links, and super-dooper-big-scale data analysis. The team\\u2019s aerosol, radiative transfer, and data processing models are freely available and are used by geoscientists world-wide.<\\\/p>\\n\n\n<p>Research Area: Atmospheric Chemistry, Physical Climate<\\\/p>\"}}]}]}]},{\"type\":\"section\",\"props\":{\"style\":\"primary\",\"width\":\"default\",\"vertical_align\":\"middle\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"title_breakpoint\":\"xl\",\"image_position\":\"center-center\"},\"children\":[{\"type\":\"row\",\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"media_overlay_gradient\":\"\",\"width_medium\":\"1-1\",\"position_sticky_breakpoint\":\"m\"},\"children\":[{\"type\":\"headline\",\"props\":{\"title_element\":\"h1\",\"text_align\":\"center\",\"content\":\"\n\n<p>Research<\\\/p>\"}},{\"type\":\"divider\",\"props\":{\"divider_element\":\"hr\",\"divider_style\":\"\",\"divider_align\":\"\",\"divider_align_breakpoint\":\"\",\"divider_align_fallback\":\"\",\"maxwidth\":\"small\",\"block_align\":\"center\",\"css\":\".el-element {\\n    border-bottom: 2px solid #FFD200;\\n}\"}},{\"type\":\"overlay-slider\",\"props\":{\"show_title\":true,\"show_meta\":true,\"show_content\":true,\"show_link\":true,\"slider_width\":\"fixed\",\"slider_width_default\":\"1-1\",\"slider_width_medium\":\"1-3\",\"slider_gap\":\"default\",\"slider_autoplay_pause\":true,\"nav\":\"\",\"nav_align\":\"center\",\"nav_breakpoint\":\"s\",\"slidenav\":\"default\",\"slidenav_margin\":\"medium\",\"slidenav_breakpoint\":\"\",\"slidenav_outside_breakpoint\":\"xl\",\"overlay_mode\":\"cover\",\"overlay_position\":\"center\",\"overlay_transition\":\"fade\",\"title_element\":\"h3\",\"meta_style\":\"meta\",\"meta_align\":\"below-title\",\"link_text\":\"Read more\",\"link_style\":\"\",\"text_align\":\"center\",\"margin\":\"default\",\"slider_height\":\"\",\"slider_width_small\":\"\",\"slider_width_large\":\"\",\"slider_width_xlarge\":\"\",\"nav_margin\":\"\",\"nav_color\":\"\",\"slidenav_color\":\"\",\"slidenav_outside_color\":\"\",\"overlay_style\":\"overlay-default\",\"visibility\":\"hidden-m\",\"image_height\":\"300\",\"class\":\"\",\"title_hover_style\":\"reset\",\"meta_element\":\"div\",\"show_hover_image\":true},\"children\":[{\"type\":\"overlay-slider_item\",\"props\":{\"image\":\"wp-content\\\/uploads\\\/sites\\\/25\\\/2024\\\/06\\\/15-0296_Tedesco_4989_5807_main_Web.jpeg\",\"title\":\"Greenland Bare Ice Albedo Modeling\",\"link\":\"\",\"meta\":\"\",\"image_alt\":\"Aerial photograph taken on 24 July 2015 over the southwest portion of the Greenland ice sheet, Credit: Marco Tedesco.\"}},{\"type\":\"overlay-slider_item\",\"props\":{\"image\":\"https:\\\/\\\/sites.ps.uci.edu\\\/zender\\\/wp-content\\\/uploads\\\/sites\\\/25\\\/2022\\\/08\\\/map_nap_laffin_et_al_2022.png\",\"title\":\"Wind-driven surface energy\\\/mass exchange\",\"link\":\"wind-driven\\\/\",\"meta\":\"Northern Antarctic Peninsula map by Matthew K. 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Rapid changes like vanishing snow and ice, blowing dust, and burning forests fascinate me most, because fast processes often indicate pressure points to which Earth is sensitive. Recently we discovered that nothing heats the planet faster than the pollution that darkens snow. This has helped spur the policy shift to reduce soot emissions. My current research includes desert dust and fire-emitted soot particulates, snowpack lifecycle, reflectance, and emission, wind-dispersal of nutrients and pathogens, wind-drag effects on deserts and oceans, wind-induced melt, and ice shelf hydrofracture. Better understanding of these processes will improve predictions of dust storms, disease endemicity, seasonal snowpack, and ice shelf disintegration. I also work to accelerate large-scale analysis techniques for data stored in netCDF format which predominates in the geosciences.<\\\/p>\\n<\\\/div>\\n<\\\/div>&#8220;,&#8221;image&#8221;:&#8221;wp-content\\\/uploads\\\/sites\\\/25\\\/2021\\\/01\\\/pix_csz_kauai_201407-1.jpg&#8221;}},{&#8220;type&#8221;:&#8221;grid_item&#8221;,&#8221;props&#8221;:{&#8220;title&#8221;:&#8221;Juan Tolento&#8221;,&#8221;image&#8221;:&#8221;wp-content\\\/uploads\\\/sites\\\/25\\\/2021\\\/01\\\/jtolento_ess.jpg&#8221;,&#8221;content&#8221;:&#8221;<\/p>\n<p><button class=\\\"uk-button uk-button-secondary uk-margin-small-right\\\" type=\\\"button\\\" uk-toggle=\\\"target: #modal-tolento\\\">Learn More<\\\/button><\\\/p>\\n<\/p>\n<p><!-- This is the modal --><\\\/p>\\n<\/p>\n<div id=\\\"modal-tolento\\\" uk-modal=\\\"\\\">\\n<\/p>\n<div class=\\\"uk-modal-dialog uk-modal-body\\\">\\n<\/p>\n<h2 class=\\\"uk-modal-title\\\">Juan Tolento<\\\/h2>\\n<\/p>\n<p>Juan Tolento joined the Zender Group in Fall 2020 after applying through the AGU Bridge Program. Broad research interests lie in radiative transfer models. More specifically, he hopes to be able to make improvements in how models treat shortwave radiation over cryospheric surfaces (snow, ice and ocean). The aim is to better constrain the surface energy budget in order to improve\\u00a0 surface and atmospheric heating rates, as well as capturing a more accurate snow albedo feedback in Earth system models.\\u00a0<\\\/p>\\n<\\\/div>\\n<\\\/div>&#8220;}},{&#8220;type&#8221;:&#8221;grid_item&#8221;,&#8221;props&#8221;:{&#8220;title&#8221;:&#8221;Chloe Whicker-Clarke&#8221;,&#8221;image&#8221;:&#8221;wp-content\\\/uploads\\\/sites\\\/25\\\/2021\\\/10\\\/Whicker_photo.png&#8221;,&#8221;content&#8221;:&#8221;<\/p>\n<p><button class=\\\"uk-button uk-button-secondary uk-margin-small-right\\\" type=\\\"button\\\" uk-toggle=\\\"target: #modal-whicker\\\">Learn More<\\\/button><\\\/p>\\n<\/p>\n<p><!-- This is the modal --><\\\/p>\\n<\/p>\n<div id=\\\"modal-whicker\\\" uk-modal=\\\"\\\">\\n<\/p>\n<div class=\\\"uk-modal-dialog uk-modal-body\\\">\\n<\/p>\n<p><b>Chloe Whicker-Clarke<\\\/b><\\\/p>\\n<\/p>\n<p>Chloe is an Associate Project Scientist in the group. Chloe works on improving the representation of snow and ice processes within Earth system models. She studies how\\u00a0 bare ice, light absorbing constituents influence the radiative budget of the Greenland Ice Sheet, with a focus on bare ice and snow, glacial algal blooms, and snow and ice melt. Chloe is working to incorporate the radiative influence of various light absorbing constituents and surface melt<span class=\\\"Apple-converted-space\\\">\\u00a0 <\\\/span>into the Energy Exascale Earth System Model to understand their contribution to polar warming, Greenland and Antarctic Ice melt, and sea-level rise. More generally, Chloe is interested in how we represent small scale processes within global fully coupled simulations of the earth system. Outside of her research, she spends her time exercising, enjoying the outdoors, and volunteering.<\\\/p>\\n<\\\/div>\\n<\\\/div>&#8220;}},{&#8220;type&#8221;:&#8221;grid_item&#8221;,&#8221;props&#8221;:{&#8220;title&#8221;:&#8221;Lili Manzo&#8221;,&#8221;content&#8221;:&#8221;<\/p>\n<p><button class=\\\"uk-button uk-button-secondary uk-margin-small-right\\\" type=\\\"button\\\" uk-toggle=\\\"target: #modal-manzo\\\">Learn More<\\\/button><\\\/p>\\n<\/p>\n<p><!-- This is the modal --><\\\/p>\\n<\/p>\n<div id=\\\"modal-manzo\\\" uk-modal=\\\"\\\">\\n<\/p>\n<div class=\\\"uk-modal-dialog uk-modal-body\\\">\\n<\/p>\n<h2 class=\\\"uk-modal-title\\\">Lili Manzo<\\\/h2>\\n<\/p>\n<p>Lili is a PhD student who joined the Zender Research Group and Earth System Science Department in 2022. She works on refining current the representation of surface emissivity in state-of-the-art atmospheric radiative transfer models. Lili works specifically on frozen and liquid water surfaces, with plans to implement novel methods of representing emissivity over ocean surface in E3SM, an Earth system model. Her work will reduce biases in models, ultimately improving calculations of the Earth&#8217;s energy budget.<\\\/p>\\n<\\\/div>\\n<\\\/div>&#8220;,&#8221;image&#8221;:&#8221;wp-content\\\/uploads\\\/sites\\\/25\\\/2022\\\/10\\\/IMG_0103.jpg&#8221;}}]}]}]}]},{&#8220;type&#8221;:&#8221;section&#8221;,&#8221;props&#8221;:{&#8220;style&#8221;:&#8221;default&#8221;,&#8221;width&#8221;:&#8221;default&#8221;,&#8221;vertical_align&#8221;:&#8221;middle&#8221;,&#8221;title_position&#8221;:&#8221;top-left&#8221;,&#8221;title_rotation&#8221;:&#8221;left&#8221;,&#8221;title_breakpoint&#8221;:&#8221;xl&#8221;,&#8221;image_position&#8221;:&#8221;center-center&#8221;},&#8221;children&#8221;:[{&#8220;type&#8221;:&#8221;row&#8221;,&#8221;children&#8221;:[{&#8220;type&#8221;:&#8221;column&#8221;,&#8221;props&#8221;:{&#8220;image_position&#8221;:&#8221;center-center&#8221;,&#8221;media_overlay_gradient&#8221;:&#8221;&#8221;,&#8221;width_medium&#8221;:&#8221;1-1&#8243;,&#8221;position_sticky_breakpoint&#8221;:&#8221;m&#8221;},&#8221;children&#8221;:[{&#8220;type&#8221;:&#8221;headline&#8221;,&#8221;props&#8221;:{&#8220;title_element&#8221;:&#8221;h1&#8243;,&#8221;text_align&#8221;:&#8221;center&#8221;,&#8221;content&#8221;:&#8221;Group Alumni&#8221;}},{&#8220;type&#8221;:&#8221;divider&#8221;,&#8221;props&#8221;:{&#8220;divider_element&#8221;:&#8221;hr&#8221;,&#8221;divider_style&#8221;:&#8221;&#8221;,&#8221;divider_align&#8221;:&#8221;&#8221;,&#8221;divider_align_breakpoint&#8221;:&#8221;&#8221;,&#8221;divider_align_fallback&#8221;:&#8221;&#8221;,&#8221;maxwidth&#8221;:&#8221;small&#8221;,&#8221;block_align&#8221;:&#8221;center&#8221;,&#8221;margin_remove_top&#8221;:true,&#8221;margin_remove_bottom&#8221;:true}},{&#8220;type&#8221;:&#8221;grid&#8221;,&#8221;props&#8221;:{&#8220;show_title&#8221;:true,&#8221;show_meta&#8221;:true,&#8221;show_content&#8221;:true,&#8221;show_image&#8221;:true,&#8221;show_link&#8221;:true,&#8221;grid_default&#8221;:&#8221;1&#8243;,&#8221;grid_medium&#8221;:&#8221;3&#8243;,&#8221;filter_style&#8221;:&#8221;tab&#8221;,&#8221;filter_all&#8221;:true,&#8221;filter_position&#8221;:&#8221;top&#8221;,&#8221;filter_align&#8221;:&#8221;left&#8221;,&#8221;filter_grid_width&#8221;:&#8221;auto&#8221;,&#8221;filter_grid_breakpoint&#8221;:&#8221;m&#8221;,&#8221;title_hover_style&#8221;:&#8221;reset&#8221;,&#8221;title_element&#8221;:&#8221;h3&#8243;,&#8221;title_align&#8221;:&#8221;top&#8221;,&#8221;title_grid_width&#8221;:&#8221;1-2&#8243;,&#8221;title_grid_breakpoint&#8221;:&#8221;m&#8221;,&#8221;meta_style&#8221;:&#8221;h5&#8243;,&#8221;meta_align&#8221;:&#8221;below-title&#8221;,&#8221;image_align&#8221;:&#8221;top&#8221;,&#8221;image_grid_width&#8221;:&#8221;1-2&#8243;,&#8221;image_grid_breakpoint&#8221;:&#8221;m&#8221;,&#8221;image_svg_color&#8221;:&#8221;emphasis&#8221;,&#8221;link_text&#8221;:&#8221;More Information&#8221;,&#8221;link_style&#8221;:&#8221;default&#8221;,&#8221;margin&#8221;:&#8221;default&#8221;,&#8221;item_animation&#8221;:true,&#8221;panel_style&#8221;:&#8221;card-default&#8221;,&#8221;item_maxwidth&#8221;:&#8221;large&#8221;,&#8221;title_style&#8221;:&#8221;h3&#8243;,&#8221;title_decoration&#8221;:&#8221;divider&#8221;,&#8221;title_color&#8221;:&#8221;primary&#8221;,&#8221;image_border&#8221;:&#8221;circle&#8221;,&#8221;text_align&#8221;:&#8221;center&#8221;,&#8221;image_height&#8221;:&#8221;150px&#8221;,&#8221;icon_width&#8221;:80,&#8221;meta_element&#8221;:&#8221;div&#8221;,&#8221;content_column_breakpoint&#8221;:&#8221;m&#8221;,&#8221;panel_padding&#8221;:&#8221;small&#8221;},&#8221;children&#8221;:[{&#8220;type&#8221;:&#8221;grid_item&#8221;,&#8221;props&#8221;:{&#8220;title&#8221;:&#8221;Matthew Laffin&#8221;,&#8221;content&#8221;:&#8221;<\/p>\n<p><button class=\\\"uk-button uk-button-secondary uk-margin-small-right\\\" type=\\\"button\\\" uk-toggle=\\\"target: #modal-laffin\\\">Learn More<\\\/button><\\\/p>\\n<\/p>\n<p><!-- This is the modal --><\\\/p>\\n<\/p>\n<div id=\\\"modal-laffin\\\" uk-modal=\\\"\\\">\\n<\/p>\n<div class=\\\"uk-modal-dialog uk-modal-body\\\">\\n<\/p>\n<h2 class=\\\"uk-modal-title\\\">Matthew Laffin<\\\/h2>\\n<\/p>\n<p>Matt is a PhD Candidate in the <a href=\\\"https:\\\/\\\/www.ess.uci.edu\\\/\\\">Earth System Science department<\\\/a> at the University of California, Irvine. Matt\\u2019s broad interests focus on the Earth\\u2019s cryosphere and its many interconnected systems. Specifically, Matt aims to better understand the impact of foehn (warm and dry downslope winds) and katabatic winds have on surface melt and ice shelf stability in Antarctica and Greenland. His work uses an interdisciplinary approach that combines, surface observations, model simulations, data science, and machine learning, with the ultimate goal to help identify impacts of climate change on the Earth system.<\\\/p>\\n<\/p>\n<p>Visit <a href=\\\"https:\\\/\\\/sites.uci.edu\\\/mlaffin\\\/\\\">my webpage<\\\/a> for more info.<\\\/p>\\n<\\\/div>\\n<\\\/div>&#8220;,&#8221;image&#8221;:&#8221;wp-content\\\/uploads\\\/sites\\\/25\\\/2021\\\/01\\\/PXL_20201117_233553638.PORTRAIT-01.COVER_3.jpg&#8221;}},{&#8220;type&#8221;:&#8221;grid_item&#8221;,&#8221;props&#8221;:{&#8220;title&#8221;:&#8221;Wenshan Wang&#8221;,&#8221;image&#8221;:&#8221;wp-content\\\/uploads\\\/sites\\\/25\\\/2021\\\/01\\\/unnamed.jpg&#8221;,&#8221;content&#8221;:&#8221;<\/p>\n<p><button class=\\\"uk-button uk-button-secondary uk-margin-small-right\\\" type=\\\"button\\\" uk-toggle=\\\"target: #modal-wang\\\">Learn More<\\\/button><\\\/p>\\n<\/p>\n<p><!-- This is the modal --><\\\/p>\\n<\/p>\n<div id=\\\"modal-wang\\\" uk-modal=\\\"\\\">\\n<\/p>\n<div class=\\\"uk-modal-dialog uk-modal-body\\\">\\n<\/p>\n<h2 class=\\\"uk-modal-title\\\">Wenshan Wang<\\\/h2>\\n<\/p>\n<p>I am a research scientist in the Zender Research Group. I am trying to figure out which physical processes contribute the most to the recent acceleration of Greenland\\u2019s surface melt using data from automatic weather stations, satellite observations, reanalyses, and model simulations. During my Ph.D., I developed a method to reduce the station-tilt-induced biases in radiation measured by automatic weather stations, a long-lasting issue in in-situ measurements. During my postdoc, I collaborated with a former group member, Ajay Saini, to automate this tilt correction procedure for the community to use: https:\\\/\\\/github.com\\\/jaws\\\/jaws. I am also interested in simulating the climate effects of increased emissions from trans-Arctic shipping and assessing the shrinking Salton Sea\\u2019s impact on the air quality in surrounding residential areas.\\n<\\\/p>\\n<\\\/div>\\n<\\\/div>&#8220;}},{&#8220;type&#8221;:&#8221;grid_item&#8221;,&#8221;props&#8221;:{&#8220;title&#8221;:&#8221;Zachary Wolff&#8221;,&#8221;image&#8221;:&#8221;wp-content\\\/uploads\\\/sites\\\/25\\\/2021\\\/02\\\/Zach_wolff_bio-scaled.jpg&#8221;,&#8221;content&#8221;:&#8221;<\/p>\n<p><button class=\\\"uk-button uk-button-secondary uk-margin-small-right\\\" type=\\\"button\\\" uk-toggle=\\\"target: #modal-wolff\\\">Learn More<\\\/button><\\\/p>\\n<\/p>\n<p><!-- This is the modal --><\\\/p>\\n<\/p>\n<div id=\\\"modal-wolff\\\" uk-modal=\\\"\\\">\\n<\/p>\n<div class=\\\"uk-modal-dialog uk-modal-body\\\">\\n<\/p>\n<h2 class=\\\"uk-modal-title\\\">Zachary Wolff<\\\/h2>\\n<\/p>\n<p>I am a PhD candidate in the Earth System Science department at UC Irvine. My research focuses on the longwave energy budget of sea ice and how it can be improved in climate models. My work involves updating the Department of Energy\\u2019s Energy Exascale Earth System Model (E3SM) to change from a single broadband solution of longwave energy to a more detailed spectrally-resolved solution in order to include spectrally-resolved and surface type dependant emissivities that are more physically realistic into the model. These updates make the model more physically accurate and we hope will improve the representation of sea ice and the atmospheric processes tied to it in the model.\\n<\\\/p>\\n<\\\/div>\\n<\\\/div>&#8220;}},{&#8220;type&#8221;:&#8221;grid_item&#8221;,&#8221;props&#8221;:{&#8220;content&#8221;:&#8221;<\/p>\n<p><button class=\\\"uk-button uk-button-secondary uk-margin-small-right\\\" type=\\\"button\\\" uk-toggle=\\\"target: #modal-schneider\\\">Learn More<\\\/button><\\\/p>\\n<\/p>\n<p><!-- This is the modal --><\\\/p>\\n<\/p>\n<div id=\\\"modal-schneider\\\" uk-modal=\\\"\\\">\\n<\/p>\n<div class=\\\"uk-modal-dialog uk-modal-body\\\">\\n<\/p>\n<h3 class=\\\"el-title uk-h3 uk-heading-divider uk-text-primary uk-margin-top uk-margin-remove-bottom\\\">Adam Schneider<\\\/h3>\\n<\/p>\n<p>I am a physical geographer specializing in cryosphere-climate processes. My focus is on understanding how material properties of snowpack, such as density and albedo, interact with climate and the surface mass balance of the Greenland and Antarctic ice sheets. Our work aims to improve climate predictions by refining the most important cryosphere-climate interactions in the U.S. Department of Energy\\u2019s Energy Exascale Earth System Model (E3SM). In developing how E3SM represents these interactions, we learn more about how the surface of Earth&#8217;s massive ice sheets will respond to future climate change.<\\\/p>\\n<\\\/div>\\n<\\\/div>&#8220;,&#8221;image&#8221;:&#8221;wp-content\\\/uploads\\\/sites\\\/25\\\/2021\\\/01\\\/google_pic.png&#8221;,&#8221;title&#8221;:&#8221;Adam Schneider&#8221;}}]}]}]}]}],&#8221;version&#8221;:&#8221;2.7.22&#8243;} &#8211;><\/p>\n","protected":false},"excerpt":{"rendered":"<p>About The Zender Research Group studies the microphysics of trace gas, aerosol, and surface interactions with Earth\u2019s radiative, thermodynamic, and chemical processes. Charles Zender and his team develop and refine the representation of these processes to improve climate prediction. Model simulations, combined with lab, field, and satellite data, help them predict and attribute features of [&hellip;]<\/p>\n","protected":false},"author":25,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-22","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/sites.ps.uci.edu\/zender\/wp-json\/wp\/v2\/pages\/22","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sites.ps.uci.edu\/zender\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sites.ps.uci.edu\/zender\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sites.ps.uci.edu\/zender\/wp-json\/wp\/v2\/users\/25"}],"replies":[{"embeddable":true,"href":"https:\/\/sites.ps.uci.edu\/zender\/wp-json\/wp\/v2\/comments?post=22"}],"version-history":[{"count":111,"href":"https:\/\/sites.ps.uci.edu\/zender\/wp-json\/wp\/v2\/pages\/22\/revisions"}],"predecessor-version":[{"id":356,"href":"https:\/\/sites.ps.uci.edu\/zender\/wp-json\/wp\/v2\/pages\/22\/revisions\/356"}],"wp:attachment":[{"href":"https:\/\/sites.ps.uci.edu\/zender\/wp-json\/wp\/v2\/media?parent=22"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}