[Enviro-lunch] Enviro-Lunch today: Jing Yan at UC Merced

[Kyungjin Min]

[image: image.png]
Good morning everyone,

Today Jing Yan, a postdcoc at UC Merced, will share his research in the
Enviro-lunch seminar series. Please check the abstract below and join us at
SRE 475 (noon to 1pm).

*Title:*
Where small-scale process matters:linking transport behaviors of nano-sized
colloids and rhizosphere water, nutrient dynamics to soil ecosystem
functions

*Abstract:*

Soil is a thin layer of the Earth's surface that lies between the world of
rock, air, water, and living organisms. It serves as an essential medium
that allows active cycles and flows of materials and energy that support
terrestrial life. The movement of energy and mass in soil occurs at
different scales, where a complex array of non-linear processes interacts.
While we often evaluate the impacts of these processes at larger scales,
the regulation of transport behaviors of soil constituents often happens at
local or smaller-scales. Therefore, in this presentation, I will present
results from two studies under distinct soil moisture conditions (i.e.,
saturated versus unsaturated) to demonstrate the impacts of small-scale
transport processes on soil functions. One is focusing on nano-sized soil
colloid mobilization and its role in carbon cycles, and the other is on
rhizosphere water and nutrient management and sustainable agriculture. The
mechanistic understanding of small-scale transport processes will be
implemented into predictions of larger-scale cumulative effects through
integration of experimental and modeling approaches. The presentation will
welcome and promote discussions from different scientific disciplines and
perspectives, focusing on how to connect environmental processes at
different scales to ecosystem service management.


*Bio:*
[image: Jing.png]

Jing Yan is an environmental soil physicist by training. He is broadly
interested in developing basic and applied research of soil physics to
promote food, water security and healthy ecosystem services. He gained his
Ph.D. degree in Plant and Soil Sciences from University of Delaware. After
graduation he joined University of California, Merced, for his postdoctoral
training. His postdoctoral research is under the direction of Dr. Teamrat
Ghezzehei, mainly focusing on rhizosphere nutrient and water dynamics. In
addition to performing research, at the University of California, Merced,
he actively promotes an interdisciplinary research community through
serving as organizer of Enviro-Lunch seminar-series and postdoctoral
ambassador to unite different scientific disciplines and graduate programs.




KJ and Yang

Organizers for Spring 2020: KJ Min and Yang Yang
Faculty coordinator: Asmeret Asefaw Berhe
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