[Enviro-lunch] FW: Enviro-lunch (3/28): Dr. Meng Zhao about evapotranspiration modeling

[Kyungjin Min]

Hello all,

This is a reminder that we hold an Enviro-Lunch seminar today.  See you all there!

Best,
KJ

From: Enviro-lunch <enviro-lunch-bounces at lists.ucmerced.edu> On Behalf Of Kyungjin Min
Sent: Tuesday, March 22, 2022 3:21 PM
To: enviro-lunch at lists.ucmerced.edu
Subject: [Enviro-lunch] Enviro-lunch (3/28): Dr. Meng Zhao about evapotranspiration modeling

[cid:ii_l12p9x260]
Hello all,

Next Monday (3/28) Dr. Meng Zhao from Stanford University will present his research about plant-water relationship modeling. Please join us between 12-1 pm (pacific) via zoom.

https://ucmerced.zoom.us/j/175736103


Title: From plant to planet: Leveraging plant-water relations to build a more sustainable world

Abstract: The water-energy-food (WEF) nexus is central to sustainable development. At the foundation of the WEF nexus is the health of the biosphere, in which vegetation and water interactions play a critical role. However, vegetation is facing a series of global changes. Elevating atmospheric CO2, a warming climate, and increasingly common droughts and heatwaves all have competing effects on plant-water relations, leaving their overall impacts on the WEF nexus unclear. In addition, human land management directly changes plant-water relations. These human influences are often superimposed on global change impacts to further complicate future WEF nexus security. In this presentation, I will first investigate two competing drought effects on plant-water relations using multiple remote sensing observations. I find that CMIP6 Earth system models systematically misrepresent the balance of the observed two competing effects. I will discuss how to improve this systematic error in Earth system models. Secondly, I will present a case study to illustrate that the impact of human revegetation on water resources is difficult to predict and can be rife with unintended consequences, such as sucking up rainfall and depleting soil moisture and groundwater. These results have important implications for developing effective solutions for sustainably managing water resources and ecosystems under a changing climate.

Bio:
[cid:ii_l12pav911]
Meng Zhao is a postdoctoral scholar in Remote Sensing of Ecohydrology lab at Stanford University. Meng studies the intersection between hydrology and ecology, and their broader implications on climate, society, and policy making. He employs a variety of approaches including satellite remote sensing, GIS, Earth system modeling, and machine learning. Meng holds a Ph.D. in Earth system science from the University of California Irvine.




Sincerely,
co-host: KJ Min & Manisha Dolui
Faculty coordinator: Asmeret Asefaw Berhe
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Spring 2022 Enviro-Lunch Schedule
date
speaker
title
1/31
Mariela Garcia Arrendondo
@ Umass-Amherst
Root-mediated weathering
2/7
Michael Philben
@ Hope College
Rethinking carbon and nitrogen isotope fractionation during soil organic matter decomposition
2/14
Alyssa Griffin*
@ UC Davis
The role of coastal marine sediments in carbon cycling from local to global scales
2/21
Presidents’ day

2/28
Katherine Heckman
@ USDA
Density fractionation and soil carbon stabilization
3/7
Bhavna Arora
@ LBNL
Reactive transport modeling
3/14
Darian Smercina
@ PNNL
Free N fixing under switchgrass (Linking microbial scale processes to ecosystem function)
3/21
spring break

3/28
Meng Zhao
@ Stanford U
Plant-water relationship (evapotranspiration) modeling
4/4
Hannah Naughton
@ LBNL
Root vs. topographic generation of redox anomalies on a subalpine hillslope and floodplain
4/11
Michael Rowley
@ LBNL
Ca-mediated soil organic carbon stabilization
4/18
Weiyu Li*
@ Stanford U
Data-driven hydraulic modeling
4/25
Daniel Zuleta
@ Smithsonian Institute
Tree mortality in tropical ecosystems
5/2
Genevieve Noyce
@ Smithsonian Institute
Greenhouse gas emissions from wetland with climate change



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