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1 |
Material Type: Artigo
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A remotely sensed pigment index reveals photosynthetic phenology in evergreen conifersGamon, John A. ; Huemmrich, K. Fred ; Wong, Christopher Y. S. ; Ensminger, Ingo ; Garrity, Steven ; Hollinger, David Y. ; Noormets, Asko ; Peñuelas, JosepProceedings of the National Academy of Sciences - PNAS, 2016-11, Vol.113 (46), p.13087-13092 [Periódico revisado por pares]United States: National Academy of SciencesTexto completo disponível |
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Material Type: Artigo
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20 years of change in tundra NDVI from coupled field and satellite observationsHuemmrich, K Fred ; Gamon, John ; Campbell, Petya ; Mora, Marianna ; Vargas Z, Sergio ; Almanza, Brenda ; Tweedie, CraigEnvironmental research letters, 2023-09, Vol.18 (9), p.94022 [Periódico revisado por pares]Bristol: IOP PublishingTexto completo disponível |
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Material Type: Artigo
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Integrating chlorophyll fAPAR and nadir photochemical reflectance index from EO-1/Hyperion to predict cornfield daily gross primary productionZhang, Qingyuan ; Middleton, Elizabeth M. ; Cheng, Yen-Ben ; Huemmrich, K. Fred ; Cook, Bruce D. ; Corp, Lawrence A. ; Kustas, William P. ; Russ, Andrew L. ; Prueger, John H. ; Yao, TianRemote sensing of environment, 2016-12, Vol.186, p.311-321 [Periódico revisado por pares]Goddard Space Flight Center: Elsevier IncTexto completo disponível |
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Material Type: Artigo
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Evaluating impacts of snow, surface water, soil and vegetation on empirical vegetation and snow indices for the Utqiaġvik tundra ecosystem in Alaska with the LVS3 modelZhang, Qingyuan ; Yao, Tian ; Huemmrich, K. Fred ; Middleton, Elizabeth M. ; Lyapustin, Alexei ; Wang, YujieRemote sensing of environment, 2020-04, Vol.240, p.111677, Article 111677 [Periódico revisado por pares]Goddard Space Flight Center: Elsevier IncTexto completo disponível |
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Material Type: Artigo
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Spatial and temporal variation in primary productivity (NDVI) of coastal Alaskan tundra: Decreased vegetation growth following earlier snowmeltGamon, John A. ; Huemmrich, K. Fred ; Stone, Robert S. ; Tweedie, Craig E.Remote sensing of environment, 2013-02, Vol.129, p.144-153 [Periódico revisado por pares]New York, NY: Elsevier IncTexto completo disponível |
6 |
Material Type: Ata de Congresso
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Hyperspectral-LIDAR system and data product integration for terrestrial applicationsCORP, Lawrence A ; CHENG, Yen-Ben ; MIDDLETON, Elizabeth M ; PARKER, Geoffrey G ; FRED HUEMMRICH, K ; ENTCHEVA CAMPBELL, Petya KProceedings of SPIE, the International Society for Optical Engineering, 2009, Vol.7457Bellingham, Wash: SPIETexto completo disponível |
7 |
Material Type: Artigo
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The 2013 FLEX-US Airborne Campaign at the Parker Tract Loblolly Pine Plantation in North Carolina, USAMiddleton, Elizabeth M. ; Rascher, Uwe ; Corp, Lawrence A. ; Huemmrich, K. Fred ; Cook, Bruce D. ; Noormets, Asko ; Schickling, Anke ; Pinto, Francisco ; Alonso, Luis ; Damm, Alexander ; Guanter, Luis ; Colombo, Roberto ; Campbell, Petya K. E. ; Landis, David R. ; Zhang, Qingyuan ; Rossini, Micol ; Schuettemeyer, Dirk ; Bianchi, RemoRemote sensing (Basel, Switzerland), 2017-06, Vol.9 (6), p.612 [Periódico revisado por pares]Goddard Space Flight Center: MDPI AGTexto completo disponível |
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Material Type: Artigo
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Remote Sensing of Tundra Ecosystems Using High Spectral Resolution Reflectance: Opportunities and ChallengesNelson, Peter R. ; Maguire, Andrew J. ; Pierrat, Zoe ; Orcutt, Erica L. ; Yang, Dedi ; Serbin, Shawn ; Frost, Gerald V. ; Macander, Matthew J. ; Magney, Troy S. ; Thompson, David R. ; Wang, Jonathan A. ; Oberbauer, Steven F. ; Zesati, Sergio Vargas ; Davidson, Scott J. ; Epstein, Howard E. ; Unger, Steven ; Campbell, Petya K. E. ; Carmon, Nimrod ; Velez‐Reyes, Miguel ; Huemmrich, K. FredJournal of geophysical research. Biogeosciences, 2022-02, Vol.127 (2), p.n/a [Periódico revisado por pares]Washington: Blackwell Publishing LtdTexto completo disponível |
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Material Type: Artigo
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Leaf-level chlorophyll fluorescence and reflectance spectra of high latitude plantsHuemmrich, K Fred ; Campbell, Petya ; Vargas Z, Sergio A ; Sackett, Sarah ; Unger, Steven ; May, Jeremy ; Tweedie, Craig ; Middleton, ElizabethEnvironmental Research Communications, 2022-03, Vol.4 (3), p.35001 [Periódico revisado por pares]Bristol: IOP PublishingTexto completo disponível |
10 |
Material Type: Ata de Congresso
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Remote sensing techniques to monitor nitrogen-driven carbon dynamics in field cornCORP, Lawrence A ; MIDDLETON, Elizabeth M ; ENTCHEVA CAMPBELL, Petya K ; HUEMMRICH, K. Fred ; CHENG, Yen-Ben ; DAUGHTRY, Craig S. TProceedings of SPIE, the International Society for Optical Engineering, 2009, Vol.7454Bellingham, Wash: SPIETexto completo disponível |