Research

Research Interests

Our primary research area has focused on the three research themes of monsoon climates, land and atmosphere interactions, and climatic impacts on agriculture, forests, and human health. With our multidisciplinary collaborators we have been contributing to the science and understanding of the three research themes across the globe, including East Asia, South Asia, and West Africa, as well as the United States.

Research Themes

1. Monsoon Climates: Land-Atmosphere-Ocean Dynamics and Societal Aspects of Monsoons

: One of the important findings in our previous study of monsoon climatology was that changes in the heat and moisture budgets of the Asian continent and surrounding oceans impact the summer monsoon systems in East Asia and India. Drawing on finding, we extended our monsoon research to the West African monsoon and the North-East Indian monsoon (Indian monsoon during October-December).

     Geography of Monsoons

Picture1

 

Physical and Societal Aspects of the North-East Indian Monsoon

 

 

EI_FIG1

 

Causality of Vegetation to Sahel Monsoon Rainfall

 

 

 

2. Land-Atmosphere Interactions: Biogeophysical and Biogeochemical Processes and Land Use/Land Cover Changes

: Terrestrial ecosystem may directly and indirectly affect the climate system through both biogeophysical and biogeochemical processes, which can be altered by land use and land cover change (LULCC). We have investigated feedback mechanisms in land-atmosphere interactions and examined the effects of LULCC on climate to improve our understanding of how the expansion and intensification of LULCC have affected terrestrial ecosystems and thereby the climate system.

Picture0

 

Remote Sensing for LULCC and Climate Studies

 

 

 

Picture1

 

Land-Atmosphere Feedback with Heat Waves over the Chickasaw Nation

 

 

Screen Shot 2017-12-21 at 10.14.02 AM

 

Nitrogen Limitation in the NCAR CLM4-CN

 

 

3. Climatic Impacts on Agriculture, Forests, and Human Health

Fig1

 

Thunderstorm Asthma

 

Picture1

 

Climate Change and Pollinator Bees

 

 

Picture0

 

Climate-Irrigation-Malaria in India

 

1476376761_md

 

Climatic Impacts on Forests