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National Aeronautics and Space Administration

NASA's Arctic-Boreal Vulnerability Experiment


Ranson-02 Project Profile
  (updated 19-Sep-2016)
Project Title:A High-Resolution Circumpolar Delineation of the Forest-Tundra Ecotone With Implications for Carbon Balance
Project Lead: Kenneth (Jon) Ranson, NASA GSFC
Project Funding: 2014 - 2017
NASA (agency representative: Garik Gutman)
Project Type:NASA -- joined ABoVE in 2015
Solicitation:NASA: Carbon Cycle Science (2013)
Abstract: In response to NASA Carbon Cycle Science Solicitation to 'improve understanding of terrestrial carbon storage, ... in Arctic/Boreal terrestrial ecosystems that may be approaching a potential tipping point with regard to the release of stored carbon' the proposed study will map and characterize the current Arctic forest-tundra transition zone and re ... [more]
ABoVE Science Questions
  • Flora and Fauna
ABoVE Disciplinary Theme
  • Vegetation Structure and Function
Participants: Project Lead(s):Co-Investigator(s):Post-Doc(s):

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Status: In-Progress Date When Available:
Product Title:  Vegetation Continuous Fields (VCF) datasets: Circumpolar Tundra-Taiga Ecotone VCF maps, Circumpolar 30m VCF, accuracy assessments of VCF products. Temporal range for products: L7VCF (2000-2010), HRSI products (2007 2015)
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Status: In-Progress Date When Available:
Product Title:  High-resolution stereo image pairs in ABoVE region that can be used for topography and forest height analysis
Expected Users:  
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Publications: Montesano, P. M., Sun, G., Dubayah, R. O., Ranson, K. J. 2016. Spaceborne potential for examining taiga-tundra ecotone form and vulnerability. Biogeosciences. 13(13), 3847-3861. DOI: 10.5194/bg-13-3847-2016

Montesano, P., Neigh, C., Sexton, J., Feng, M., Channan, S., Ranson, K., Townshend, J. 2016. Calibration and Validation of Landsat Tree Cover in the Taiga[?]Tundra Ecotone. Remote Sensing. 8(7), 551. DOI: 10.3390/rs8070551

Neigh, C. S., Masek, J. G., Bourget, P., Rishmawi, K., Zhao, F., Huang, C., Cook, B. D., Nelson, R. F. 2016. Regional rates of young US forest growth estimated from annual Landsat disturbance history and IKONOS stereo imagery. Remote Sensing of Environment. 173, 282-293. DOI: 10.1016/j.rse.2015.09.007

Sexton, J. O., Noojipady, P., Song, X., Feng, M., Song, D., Kim, D., Anand, A., Huang, C., Channan, S., Pimm, S. L., Townshend, J. R. 2015. Conservation policy and the measurement of forests. Nature Climate Change. DOI: 10.1038/nclimate2816

Sexton, J. O., Noojipady, P., Anand, A., Song, X., McMahon, S., Huang, C., Feng, M., Channan, S., Townshend, J. R. 2015. A model for the propagation of uncertainty from continuous estimates of tree cover to categorical forest cover and change. Remote Sensing of Environment. 156, 418-425. DOI: 10.1016/j.rse.2014.08.038

Neigh, C., Masek, J., Bourget, P., Cook, B., Huang, C., Rishmawi, K., Zhao, F. 2014. Deciphering the Precision of Stereo IKONOS Canopy Height Models for US Forests with G-LiHT Airborne LiDAR. Remote Sensing. 6(3), 1762-1782. DOI: 10.3390/rs6031762

Montesano, P., Sun, G., Dubayah, R., Ranson, K. 2014. The Uncertainty of Plot-Scale Forest Height Estimates from Complementary Spaceborne Observations in the Taiga-Tundra Ecotone. Remote Sensing. 6(10), 10070-10088. DOI: 10.3390/rs61010070

2015 NASA Carbon Cycle & Ecosystems Joint Science Workshop Poster(s)
  • Taiga-Tundra Ecotone Structure Studies   --   (Kenneth Jon Ranson, Guoqing Sun, Paul Montesano, Christopher Neigh, Vyacheslav Kharuk)   [abstract]
  • Calibrating Spaceborne Estimates of Tree Cover in the Taiga-Tundra Ecotone   --   (Paul Mannix Montesano, Christopher Neigh, Joe Sexton, Min Feng, Mark Chopping, Saurabh Channan, Ross Nelson, John Townshend, Jon Ranson)   [abstract]
5th NACP All-Investigators Meeting Posters (2015):
  • Validation of Landsat-derived Tree Cover Estimates in the Taiga-Tundra Ecotone -- (Paul Montesano, Christopher Neigh, Joe Sexton, Min Feng, Saurabh Channan, Ross Nelson, Kenneth Jon Ranson) [abstract]

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