Member Since 2009
Kaiyu Guan
Associate Professor, University of Illinois at Urbana-Champaign
AGU Research
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Explicit Consideration of Plant Xylem Hydraulic Transport Improves the Simulation of Crop Response to Atmospheric Dryness in the U.S. Corn Belt
WATER RESOURCES RESEARCH
21 june 2024
Yi Yang, Kaiyu Guan, Bin Peng, Yanlan Liu, Ming Pa...

Atmospheric dryness (i.e., high vapor pressure deficit, VPD), together with soil moisture stress, limits plant photosynthesis and threatens ecosyst...

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Linking Water Age, Nitrate Export Regime, and Nitrate Isotope Biogeochemistry in a Tile‐Drained Agricultural Field
WATER RESOURCES RESEARCH
18 december 2023
Zhongjie Yu, Yinchao Hu, Lowell Gentry, Wendy H. Y...

Accurately quantifying and predicting the reactive transport of nitrate (NO3− ${{\text{NO}}_{3}}^{-}$) in hydrologic systems continues to be ...

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Integrating an N2O Mobile Measurement System and Atmospheric Inversion Technique
SUSTAINABLE AGRICULTURE AND CLIMATE CHANGE: MONITORING AND MODELING SOIL ORGANIC CARBON DYNAMICS AND GREENHOUSE GAS EMISSIONS OF AGROECOSYSTEMS I POSTER
global environmental change | 15 december 2023
Chantelle Lonsdale, Kang Sun, Kaiyu Guan, Ziyi Li,...
Nitrous oxide (N2O) is a large absorber of infrared radiation, thus a significant greenhouse gas with a global warming potential 300 times that of CO2...
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Effects of Alternate Wetting and Drying on rice cultivation systems at regional scale
SUSTAINABLE AGRICULTURE AND CLIMATE CHANGE: MONITORING AND MODELING SOIL ORGANIC CARBON DYNAMICS AND GREENHOUSE GAS EMISSIONS OF AGROECOSYSTEMS I POSTER
global environmental change | 15 december 2023
Rongzhu Qin, Kaiyu Guan, Bin Peng, Benjamin Runkle...
In rice cultivation systems, Alternate Wetting and Drying (AWD) water management is widely recognized to be effective in mitigating greenhouse gas emi...
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High-resolution satellite imagery reveals farmland waterlogging risk in the U.S. Midwest
APPLICATIONS OF EARTH OBSERVATIONS FOR U.S. AGRICULTURE III POSTER
global environmental change | 15 december 2023
Bin Peng, Kaiyu Guan, Yihong Jian, Kejie Zhao, Yiz...
Waterlogging, or excessive wetness in areas within a field, can affect crop growth and productivity through multiple pathways. However, the extent of ...
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SYMFONI: the “system-of-systems” solution to quantify soil carbon and GHG outcomes for the broad U.S. croplands - solidifying the foundation for the U.S. climate-smart agriculture commodity market
SUSTAINABLE AGRICULTURE AND CLIMATE CHANGE: MONITORING AND MODELING SOIL ORGANIC CARBON DYNAMICS AND GREENHOUSE GAS EMISSIONS OF AGROECOSYSTEMS III ORAL
global environmental change | 15 december 2023
Kaiyu Guan, Bin Peng, Tongxi Hu, Ziqi Qin, Ziyi Li...
Initiated from our ARPA-E SMARTFARM funded projects, we have developed the SYMFONI solution - the first-of-its-kind system-of-systems solution to quan...
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Phenology-guided spatiotemporal fusion of vegetation index time series for summer and winter crops in the U.S.
APPLICATIONS OF EARTH OBSERVATIONS FOR U.S. AGRICULTURE I ORAL
global environmental change | 15 december 2023
Qu Zhou, Sheng Wang, Kaiyu Guan, Yizhi Huang
Vegetation index (VI) is highly important and useful for crop phenology detection. The Normalized Difference Vegetation Index (NDVI) is one of the mos...
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Cross-scale sensing of field-level crop nitrogen in the U.S. central Corn Belt to support sustainable fertilization management
APPLICATIONS OF EARTH OBSERVATIONS FOR U.S. AGRICULTURE II ORAL
global environmental change | 15 december 2023
Sheng Wang, Kaiyu Guan, Qu Zhou, Chenhui Zhang, El...
Nitrogen is the most demanding nutrient element for corn growth, but excessive fertilization leads to environmental pollution. The U.S. Corn Belt cont...
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