The Numerical Terradynamic Simulation Group (NTSG) is a research center in the University of Montana's W.A. Franke College of Forestry & Conservation pioneering new approaches for landscape ecological and hydrological studies. A major focus of our research is to understand how vegetation responds to climate variability and influences the water, carbon and energy cycles. NTSG conducts research over a broad range of spatial scales, emphasizing emerging technologies in satellite remote sensing, computational modeling and biophysical theory. We are a leader in the development and application of satellite remote sensing for global environmental assessment and monitoring. NTSG is a NASA Earth Science Information Partner (ESIP), developer and repository for a variety of global land data products from satellite Earth missions, including MODIS (MOD16/17) vegetation productivity and evapotranspiration, AMSR land parameters, and SMAP (L4C) carbon flux products.

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Submissions from 2008

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Contribution of increasing CO2 and climate change to the carbon cycle in China's ecosystems, Qiaozhen Mu, Maosheng Zhao, Steven W. Running, Mingliang Liu, and Hanqin Tian

Multi-sensor model-data fusion for estimation of hydrologic and energy flux parameters, Luigi J. Renzullo, Damian J. Barrett, Alan S. Marks, Michael J. Hill, Juan P. Guerschman, Qiaozhen Mu, and Steven W. Running

Ecosystem Disturbance, Carbon, and Climate, Steven W. Running

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Use of FLUXNET in the Community Land Model development, R. Stockli, D. M. Lawrence, G.-Y. Niu, K. W. Oleson, Peter Edmond Thornton, Z.-L. Yang, G. B. Bonan, A. S. Denning, and Steven W. Running

Spatial and temporal variation of runoff in the Yangtze River basin during the past 40 years, Jijun Xu, Dawen Yang, Yonghong Yi, Zhidong Lei, Jin Chen, and Wenjun Yang

Evaluation of MODIS surface reflectance products for wheat leaf area index (LAI) retrieval, Yonghong Yi, Dawen Yang, Jingfeng Huang, and Daoyi Chen

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Satellite-based model detection of recent climate-driven changes in northern high-latitude vegetation productivity, Ke Zhang, John S. Kimball, E. H. Hogg, Maosheng Zhao, Walter C. Oechel, John Cassano, and Steven W. Running

Remote Sensing of Terrestrial Primary Production and Carbon Cycle, Maosheng Zhao and Steven W. Running

Submissions from 2007

Northern High-Latitude Ecosystems Respond to Climate Change, Andrew G. Bunn, Scott J. Goetz, John S. Kimball, and Ke Zhang

Application of BIOME-BGC to simulate Mediterranean forest processes, M. Chiesi, F. Maselli, M. Moriondo, L. Fibbi, M. Bindi, and Steven W. Running

Regional evaporation estimates from flux tower and MODIS satellite data, Helen A. Cleugh, Ray Leuning, Qiaozhen Mu, and Steven W. Running

FLUXNET and modelling the global carbon cycle, A. D. Friend, Almut Arneth, Nancy Y. Kiang, Mark Lomas, Jerome Ogee, Christian Rodenbeck, Steven W. Running, Jean-Diego Santaren, Stephen Sitch, Nicolas Viovy, F. Ian Woodward, and Sonke Zaehle

Satellite Microwave Remote Sensing of Boreal and Arctic Soil Temperatures From AMSR-E, Lucas A. Jones, John S. Kimball, K. C. McDonald, Steven Tsz K. Chan, Eni G. Njoku, and Walter C. Oechel

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Recent Climate-Driven Increases in Vegetation Productivity for the Western Arctic: Evidence of an Acceleration of the Northern Terrestrial Carbon Cycle, J. S. Kimball, M. Zhao, A. D. McGuire, F. A. Heinsch, J. Clein, M. Calef, W. M. Jolly, S. Kang, S. E. Euskirchen, K. C. McDonald, and Steven W. Running

Mapping High-Resolution Incident Photosynthetically Active Radiation over Land from Polar-Orbiting and Geostationary Satellite Data, Shunlin Liang, Tao Zheng, Dongdong Wang, Kaicun Wang, Ronggao Liu, Si-Chee Tsay, Steven W. Running, and John R. G. Townshend

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A New Satellite-Based Methodology for Continental-Scale Disturbance Detection, David J. Mildrexler, Maosheng Zhao, Faith Ann Heinsch, and Steven W. Running

Development of a global evapotranspiration algorithm based on MODIS and global meteorology data, Qiaozhen Mu, Faith Ann Heinsch, Maosheng Zhao, and Steven W. Running

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Evaluating water stress controls on primary production in biogeochemical and remote sensing based models, Qiaozhen Mu, Maosheng Zhao, Faith Ann Heinsch, Mingliang Liu, Hanqin Tian, and Steven W. Running

Reduction of ecosystem productivity and respiration during the European summer 2003 climate anomaly: a joint flux tower, remote sensing and modelling analysis, M. Reichstein, Philippe Ciais, D. Papale, R. Valentini, Steven W. Running, Nicolas Viovy, W. Cramer, A. Granier, Jerome Ogee, V. Allard, M. Aubinet, Ch. Bernhofer, N. Buchmann, A. Carrara, T. Grunwald, M. Heimann, B. Heinesch, A. Knohl, W. Kutsch, D. Loustau, G. Manca, G. Matteucci, F. Miglietta, J. M. Ourcival, Kim Pilegaard, J. Pumpanen, S. Rambal, S. Schaphoff, G. Seufert, J.-F. Soussana, M.-J. Sanz, Timo Vesala, and M. Zhao

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The 5 Stages of Climate Grief, Steven W. Running

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ASSESSING THE CARBON BALANCE OF CIRCUMPOLAR ARCTIC TUNDRA USING REMOTE SENSING AND PROCESS MODELING, Stephen Sitch, A. D. McGuire, John S. Kimball, Nicola Gedney, J. A. Gamon, Ryan Engstrom, Annett Wolf, Q. Zhuang, J. Clein, and Kyle C. McDonald

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Climate, Hydrologic Disturbance, and Succession: Drivers of Floodplain Pattern, Diane C. Whited, Mark S. Lorang, Mary J. Harner, F. Richard Hauer, John S. Kimball, and Jack Arthur Stanford

Developing a continental-scale measure of gross primary production by combining MODIS and AmeriFlux data through Support Vector Machine approach, Feihua Yang, Kazuhito Ichii, Michael A. White, Hirofumi Hashimoto, Andrew Michaelis, Petr Votava, A-Xing Zhu, A. R. Huete, Steven W. Running, and Ramakrishna R. Nemani

Retrieving crop physiological parameters and assessing water deficiency using MODIS data during the winter wheat growing period, Yonghong Yi, Dawen Yang, Daoyi Chen, and Jingfeng Huang

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Impacts of large-scale oscillations on pan-Arctic terrestrial net primary production, Ke Zhang, John S. Kimball, K. C. McDonald, John Cassano, and Steven W. Running

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Sensitivity of Pan-Arctic Terrestrial Net Primary Productivity Simulations to Daily Surface Meterology From NCEP-NCAR and ERA-40 Reanalyses, Ke Zhang, John S. Kimball, Maosheng Zhao, Walter C. Oechel, John Cassano, and Steven W. Running

Submissions from 2006

Impacts of climate change on natural forest productivity - evidence since the middle of the 20th century, Céline Boisvenue and Steven W. Running

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Reconciling Carbon-cycle Concepts, Terminology, and Methods, F. S. Chapin III, G. M. Woodwell, J. Randerson, E. B. Rastetter, G. M. Lovett, Dennis Baldocchi, D. A. Clark, M. E. Harmon, D. S. Schimel, R. Valentini, C. Wirth, J. D. Aber, J. J. Cole, M. L. Goulden, J. W. Harden, M. Heimann, Robert W. Howarth, P. A. Matson, A. D. McGuire, Jerry M. Melillo, H. A. Mooney, J. C. Neff, R. A. Houghton, M. L. Pace, M. G. Ryan, Steven W. Running, Osvaldo E. Sala, W. H. Schlesinger, and E. D. Schulze

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MODIS land cover and LAI Collection 4 product quality across nine sites in the western hemisphere, Warren B. Cohen, Thomas K. Maiersperger, David Turner, William D. Ritts, Dirk Pflugmacher, Robert Kennedy, Al A. Kirschbaum, Steven W. Running, Marcos H. Costa, and Stith T. Gower

Importance of recent shifts in soil thermal dynamics on growing season length, productivity, and carbon sequestration in terrestrial high-latitude ecosystems, E. Euskirchen, A. D. McGuire, David W. Kicklighter, Q. Zhuang, J. Clein, R. Dargaville, D. G. Dye, John S. Kimball, Kyle C. McDonald, Jerry M. Melillo, V. E. Romanovsky, and N. V. Smith

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Evaluation of the SeaWinds scatterometer for regional monitoring of vegetation phenology, S. Frolking, Tom Milliman, K. C. McDonald, John S. Kimball, Maosheng Zhao, and Mark Fahnestock

FireWxNet: A Multi-Tiered Portable Wireless System for Monitoring Weather Conditions in Wildland Fire Environments, Carl Hartung, Richard Han, Carl Andrew Seielstad, and Saxon Lorien Holbrook

Evaluation of remote sensing based terrestrial productivity from MODIS using regional tower eddy flux network observations, Faith Ann Heinsch, Maosheng Zhao, Steven W. Running, John S. Kimball, Ramakrishna R. Nemani, Kenneth J. Davis, Paul V. Bolstad, Bruce D. Cook, Ankur R. Desai, Daniel M. Ricciuto, Beverly E. Law, Walter C. Oechel, Hyo Jung Kwon, Hongyan Luo, Steve Wofsy, Allison L. Dunn, William Munger, Dennis Baldocchi, Liukang Xu, D. Y. Hollinger, Andrew D. Richardson, Paul C. Stoy, Mario B.S. Siqueira, Russell Monson, S. P. Burns, and Lawrence B. Flanagan

Simulating effects of fire disturbance and climate change on boreal forest productivity and evapotranspiration, Sinkyu Kang, John S. Kimball, and Steven W. Running

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Spring Thaw and Its Effect on Terrestrial Vegetation Productivity in the Western Arctic Observed from Satellite Microwave and Optical Remote Sensing, John S. Kimball, K. C. McDonald, and M. Zhao

Satellite Remote Sensing Of Terrestrial Net Primary Production For The Pan-arctic Basin And Alaska, John S. Kimball, M. Zhao, K. C. McDonald, and Steven W. Running

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Estimation of Incident Photosynthetically Active Radiation From Moderate Resolution Imaging Spectrometer Data, Shunlin Liang, Tao Zheng, Ronggao Liu, Hongliang Fang, Si-Chee Tsay, and Steven W. Running

Where Are the Hottest Spots on Earth?, David J. Mildrexler, Maosheng Zhao, and Steven W. Running

Monitoring Global Vegetation Using Moderate-Resolution Satellites, J. T. Morisette, Faith Ann Heinsch, and Steven W. Running

Applying improved estimates of MODIS productivity to characterize grassland vegetation dynamics, Matthew Clark Reeves, Maosheng Zhao, and Steven W. Running

Is Global Warming Causing More, Larger Wildfires?, Steven W. Running

Evaluation of MODIS NPP and GPP products across multiple biomes, David Turner, William D. Ritts, Warren B. Cohen, Stith T. Gower, Steven W. Running, Maosheng Zhao, Marcos H. Costa, Al A. Kirschbaum, Jay M. Ham, Scott R. Saleska, and Douglas E. Ahl

Assessing interannual variation in MODIS-based estimates of gross primary production, David Turner, William D. Ritts, Maosheng Zhao, Shirley A. Kurc, Allison L. Dunn, Steve Wofsy, Eric E. Small, and Steven W. Running

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3-PG Productivity Modeling of Regenerating Amazon Forests: Climate Sensitivity and Comparison with MODIS-Derived NPP, Joseph D. White, Neal A. Scott, Adam I. Hirsch, and Steven W. Running

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Sensitivity of Moderate Resolution Imaging Spectroradiometer (MODIS) Terrestrial Primary Production to the Accuracy of Meteorological Reanalyses, Maosheng Zhao, Steven W. Running, and Ramakrishna R. Nemani

Submissions from 2005

Assessing climate change effect on mountain ecosystems using integrated models: A case study, Daniel B. Fagre, Steven W. Running, Robert E. Keane, and David L. Peterson

A flexible, integrated system for generating meteorological surfaces derived from point sources across multiple geographic scales, William M. Jolly, Jonathan M. Graham, Andrew Michaelis, Ramakrishna R. Nemani, and Steven W. Running

A generalized, bioclimatic index to predict foliar phenology in response to climate, William M. Jolly, Ramakrishna R. Nemani, and Steven W. Running

Improving continuity of MODIS terrestrial photosynthesis products using an interpolation scheme for cloudy pixels, S. Kang, Steven W. Running, M. Zhao, John S. Kimball, and Joseph M. Glassy

Decreasing photosynthesis at different spatial scales during the late growing season on a boreal cutover, Marie-Claude Martel, Hank A. Margolis, Carole Coursolle, Francine J. Bigras, Faith Ann Heinsch, and Steven W. Running