Dr. Roy presents research group work at April 2016 NASA meetings

Dr. Roy recently gave the following two presentations at NASA Land Cover Land Use Change (LCLUC) meetings:

Roy, D.P., Yan, L., Huang, H., Zhang, H., Li, J., Kumar, S., Cooper, S., Dosch, A.,  Boschetti, L., Chuvieco, E., Gomez-Dans, J., Lewis, P., Tansey, K., Prototyping a Landsat-8 Sentinel-2 Global Burned Area Product, NASA LCLUC MuSLI Science Team Meeting, Marriott Conference Center, North Bethesda, MD, April 20-21 2016.  

Roy, D.P., Yan, L., Zhang, H., Li, J., Satellite derived crop field size information and change, delivered online as part of the NASA LCLUC 2016 Webinar Series, April 28 2016.

News Date: 
Apr 21, 2016 to Apr 28, 2016

GSCE Professors visit Chinese Academy of Sciences, Beijing, China

Professors Henebry, Roy and Zhang visited the Chinese Academy of Sciences (CAS), Beijing, China  to finalize a memorandum of understanding between the  Geospatial Sciences Center of Excellence and the Institute of Remote Sensing and Digital Earth (RADI). They attended a dedicated series of meetings, including a visit to the Miyun satellite receiving station near the Great Wall of China, and gave research presentations at the CAS Institutes of Remote Sensing and Digital Earth (RADI) and Geographic Sciences & Natural Resources Research.

News Date: 
Jan 25, 2016 to Jan 29, 2016

Dr. Roy and colleagues attend Landsat Science Team Winter 2016 meeting and give presentations on Landsat and Sentinel-2 data combination

The Winter 2016 Landsat Science Team Meeting was held in the Newman Library Multipurpose Room, Virginia Tech, Blacksburg, VA, January 12-14th 2016.   Dr. Roy and members of his research group attended the meeting and participated in team discussions and gave two presentations:

Initial findings prototyping a Landsat-8 Sentinel-2 global burned area product”, Roy, D.P., Li, J.,  Zhang, H.K., Huang, H., Dosch, A., Kumar, S.

WELD Experiences”, Roy, D.P., Zhang, H.K., Votava, P., Dosch, A., Li, J.

News Date: 
Jan 12, 2016 to Jan 14, 2016

Strong showing of GSCE members at the Fall AGU meeting 14-18th December 2015

The American Geophysical Union (AGU) Fall Meeting is the largest Earth and space science meeting in the world.   

Several of the GSCE faculty, post-docs. and  Ph.D. students attended the Fall 2015 meeting and gave between them more than 20 poster and oral presentations that are listed below.


Cropland land surface phenology and seasonality in East Africa: Ethiopia, Tanzania, and South Sudan

Alemu W. and Henebry, G.M.

Poster presentation in session Climate Variability and the African Environment, Water Resources, and Food Security


LP DAAC project artifact tracking via the NASA earth data collaboration environment

Bennett, S.L.D.

Poster presentation in session Geocuration: Issues, Challenges, and Opportunities


Validating satellite-derived disturbance products: the case of burned areas

Boschetti, L and Roy, D.P.  

Poster presentation in session Long-Term Climate Data Records and Applications


Regulations of evapotranspiration and ecosystem productivity from biophysical and human drivers in drylands Northern Eurasia

Chen J, Z Ouyang, R John, G Henebry, Y Xie, K de Beurs, Y Fan, C Shao, J Qi, J Wu, Y Liu

Poster presentation in session Environmental, Socioeconomic, and Climatic Changes in Northern Eurasia and Their Feedbacks to the Global Earth System and Society


Fire patterns and drivers of fires in the West African tropical forest

Dwomoh, F.K. and Wimberly, M.C.

Poster presentation in session The Role of Fire in the Earth System: Understanding Drivers, Feedbacks, and Interactions with the Land, Atmosphere, and Society


Comparative perspectives on recent trends in land surface dynamics in the grasslands of North and South America

Henebry GM, P Valle de Carvalho e Oliveira, B Zheng, KM de Beurs, B Owsley.

Oral presentation in session Climate-Vegetation Interaction and Land Cover/Land Use Change in Semi-Arid Grassland Ecosystems


New perspectives on longwave imaging of urban heat islands: Middle infrared to microwaves

Henebry GM, C Krehbiel, B Zheng, L Nguyen, KM de Beurs, B Owsley

Poster presentation in session Urban Areas and Global Change


Investigating Landsat-derived forest evapotranspiration in the Amazon

Khand, K., Numata, I., Kjaersgaard, J., Cochrane, M. A.

Poster presentation in session Integrating In Situ and Remote Sensing Observations of the Terrestrial Biosphere to Provide Insights into Earth System Function


The dynamics of cities: Assessing scaling relations of past and projected urban population and infrastructure to analyze trajectories of urbanization in the 21st Century

Krehbiel, C. P. and  Henebry, G. M.  

Poster presentation in session Urban Areas and Global Change


Active fire detection using Landsat 8 reflective bands

Kumar, S.S. and Roy, D.P.

Oral presentation in session Advances in remote sensing of fires, aerosols, and air quality trace gases


Investigation of biomass combustion rate of fire radiative energy using multiple-satellite-observed active fires and Landsat TM burn severities across the continental United States

Li, F., Zhang, X., Kondragunta, S.

Poster presentation in session Wildfire in a Changing World: Interactions with Climate and Ecosystems


Estimating ecosystem carbon stock change in the Conterminous United States from 1971 to 2010
Liu, J., Sleeter, B.M., Zhu, Z., Loveland, T.R., Sohl, T.L., Howard, S.M., Hawbaker, T.J., Liu, S., Heath, L.S., Cochrane, M.A., Key, C.H., Jiang, H., Price, D.T., J.M. Chen

Poster presentation in session Estimating Ecosystem Carbon Stock Change in the Conterminous United States from 1971 to 2010


Phenological monitoring of Acadia National Park using Landsat, MODIS and VIIRS observations and fused data

Liu, Y., MacKenzie, C.M., Primack, R., Zhang, X., Schaaf, C., Sun, Q., Wang, Z.

Poster presentation in session Understanding Phenology across Scales and Improving Linkages to Ecosystem Functions


Climatic and human influence on tropical forest degradation in West Africa

Liu, Z., Wimberly, M. C., Dwomoh, F. K.

Poster presentation in session  Climatic Controls on Vegetation Dynamics in Tropical Forests


Dynamic linear models using the Kalman filter for early detection and early warning of malaria outbreaks

Merkord, C. L., Liu, Y., DeVos, M., Wimberly, M. C. 
Poster presentation in session The NASA Public Health and Air Quality Program: integrating remote sensing, spatial analysis, and modeling for the analysis of environmentally driven human health risks.


Urban expansion of major cities in the US Great Plains from 2000 to 2009 using scatterometer data

Nguyen L, S Nghiem, GM Henebry

Poster presentation in session Urban Areas and Global Change


Analysis of edge effects on fragmented forests using forest inventories in Southwestern Amazonia

Numata, I., Silva, S.S., Cochrane, M.A.

Poster presentation in session Integrating In Situ and Remote Sensing Observations of the Terrestrial Biosphere to Provide Insights into Earth System Function


Synthesis of decades of change in Northern Eurasian ecosystems: Current assessment and future projections

Soja A, G Henebry, D Cahoon, B Stocks, W de Groot, N Tchebakova, E Parfenova, E Kukaskaya, T Loboda, J McCarty, J Shuman, H Shugart, J Chen, K Bergen, S Conard, B Rogers, K de Beurs, A Prischchepov, Q Zhuang

Oral presentation in session Environmental, Socioeconomic, and Climatic Changes in Northern Eurasia and Their Feedbacks to the Global Earth System and Society


The responses of land surface phenology to the rainy season over “Never-green” and “Ever-green” lands in Africa 

Yan, D., Zhang, X.Y., Yu, Y.Y., Guo, W.  

Poster presentation in session Remote Sensing to Support Investigations in Plant-Climate Interactions


Conterminous United States crop field size quantification from multi-temporal Landsat data

Yan, L. and  Roy, D.P.

Oral presentation in session Advances in Earth Observations for Regional to Global Agricultural Monitoring: GEOGLAM and Other Activities


Long-term Landsat 5 Thematic Mapper reflectance inconsistencies caused by Landsat satellite orbit drift

Zhang, H. K. and Roy, D.P.

Poster presentation in session Instrument Characterization and Calibration for Climate and Environmental Measurements


A system for monitoring and forecasting Land Surface Phenology using time series of JPSS VIIRS observations and its applications

Zhang, X., Yu, Y., Liu, L.

Oral presentation in session Space-Based, Operational Global Earth Observations from S-NPP and JPSS


Monitoring carbon monoxide pollution over the largest ten cities in the US using satellite observations

Zheng B., de Beurs K., Owsley, B., Krehbiel, C., Henebry, G.

Oral presentation in session Urban Areas and Global Change

News Date: 
Dec 14, 2015 to Dec 18, 2015

Dr. Roy presents at Cyprus Remote Sensing conference

Dr. Roy was a guest speaker at the 10th EARSeL Forest Fire Special Interest Group Workshop "Sensors, Multi-sensor integration, large volumes: New opportunities and challenges in Forest Fire Research", Limassol, Cyprus, 2-5 November 2015. 

He met with European collaborators on a recent NASA funded project and gave a presentation “Prototyping a Landsat-8 Sentinel-2 Burned Area Product”, David P. Roy1, Haiyan Huang1, Sanath Kumar1, Hankui Zhang1, Jian Li1, Jose L. Gomez-Dans2, Philip E. Lewis2, Luigi Boschetti3  

1 Geospatial Sciences Center of Excellence, Wecota Hall, South Dakota State University Brookings, SD 57007, USA.

2 National Centre for Earth Observation (NCEO) and Department of Geography, University College London, Gower Street, London, WC1E 6BT, U.K.

3 Department of Forest, Rangeland and Fire Sciences, University of Idaho, Moscow, ID 83843, USA.

News Date: 
Nov 02, 2015 to Nov 13, 2015