Karl Fred Huemmrich - researchr alias

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Viewing Publication 1 - 28 from 28

2019

Diurnal and Seasonal Variations in Chlorophyll Fluorescence Associated with Photosynthesis at Leaf and Canopy ScalesPetya K. E. Campbell, Karl Fred Huemmrich, Elizabeth M. Middleton, Lauren A. Ward, Tommaso Julitta, Craig S. T. Daughtry, Andreas Burkart, Andrew L. Russ, William P. Kustas. remotesensing, 11(5):488, 2019. [doi]

2018

Ground-Based Measurements and Validation Protocols for FlexElizabeth M. Middleton, Karl Fred Huemmrich, Petya K. E. Campbell, Oinsyuan Zhany, David R. Landis, Cris Garrish, Lawrence Ong, Craig Daughiry. igarss 2018: 3927-3930 [doi]

2017

EO-1 Data Quality and Sensor Stability with Changing Orbital Precession at the End of a 16 Year MissionShannon Franks, Christopher S. R. Neigh, Petya K. E. Campbell, Guoqing Sun, Tian Yao, Qingyuan Zhang, Karl Fred Huemmrich, Elizabeth M. Middleton, Stephen G. Ungar, Stuart W. Frye. remotesensing, 9(5):412, 2017. [doi]

ISS as a Platform for Optical Remote Sensing of Ecosystem Carbon Fluxes: A Case Study Using HICOKarl Fred Huemmrich, Petya K. E. Campbell, Bo-Cai Gao, Larry B. Flanagan, Michael Goulden. staeors, 10(10):4360-4375, 2017. [doi]

Hyperion: The first global orbital spectrometer, earth observing-1 (EO-1) satellite (2000-2017)Elizabeth M. Middleton, Petya K. E. Campbell, Lawrence Ong, David R. Landis, Qingyuan Zhang, Christopher S. R. Neigh, Karl Fred Huemmrich, Stephen G. Ungar, Daniel J. Mandl, Stuart W. Frye, Vuong Ly, Patrice Cappelaere, Steve A. Chien, Shannon Franks, Nathan H. Pollack. igarss 2017: 3039-3042 [doi]

Oxygen transmittance correction for solar-induced chlorophyll fluorescence measured on proximal sensing: Application to the NASA-GSFC fusion towerNeus Sabater, Elizabeth M. Middleton, Zbynek Malenovský, Luis Alonso, Jochem Verrelst, Karl Fred Huemmrich, Petya K. E. Campbell, William P. Kustas, Jorge Vicent, Shari Van Wittenberghe, José F. Moreno. igarss 2017: 5826-5829 [doi]

Detecting Inter-Annual Variations in the Phenology of Evergreen Conifers Using Long-Term MODIS Vegetation Index Time SeriesLaura Ulsig, Caroline J. Nichol, Karl Fred Huemmrich, David R. Landis, Elizabeth M. Middleton, Alexei I. Lyapustin, Ivan Mammarella, Janne Levula, Albert Porcar-Castell. remotesensing, 9(1):49, 2017. [doi]

2015

Novel leaf-level measurements of chlorophyll fluorescence for photosynthetic efficiencyElizabeth M. Middleton, Tommaso Julitta, Petya K. E. Campbell, Karl Fred Huemmrich, Anke Schickling, Micol Rossini, Sergio Cogliati, David R. Landis, Luis Alonso. igarss 2015: 3878-3881 [doi]

2013

EO-1 Hyperion Reflectance Time Series at Calibration and Validation Sites: Stability and Sensitivity to Seasonal DynamicsPetya K. E. Campbell, Elizabeth M. Middleton, Kurt J. Thome, Raymond F. Kokaly, Karl Fred Huemmrich, David Lagomasino, Kimberly A. Novick, Nathaniel A. Brunsell. staeors, 6(2-1):276-290, 2013. [doi]

Integrating Solar Induced Fluorescence and the Photochemical Reflectance Index for Estimating Gross Primary Production in a CornfieldYen-Ben Cheng, Elizabeth M. Middleton, Qingyuan Zhang, Karl Fred Huemmrich, Petya K. E. Campbell, Lawrence A. Corp, Bruce D. Cook, William P. Kustas, Craig S. T. Daughtry. remotesensing, 5(12):6857-6879, 2013. [doi]

Arctic Tundra Vegetation Functional Types Based on Photosynthetic Physiology and Optical PropertiesKarl Fred Huemmrich, John A. Gamon, Craig E. Tweedie, Petya K. E. Campbell, David R. Landis, Elizabeth M. Middleton. staeors, 6(2-1):265-275, 2013. [doi]

Selection of Hyperspectral Narrowbands (HNBs) and Composition of Hyperspectral Twoband Vegetation Indices (HVIs) for Biophysical Characterization and Discrimination of Crop Types Using Field Reflectance and Hyperion/EO-1 DataPrasad S. Thenkabail, Isabella Mariotto, Murali K. Gumma, Elizabeth M. Middleton, David R. Landis, Karl Fred Huemmrich. staeors, 6(2-1):427-439, 2013. [doi]

2012

Canopy level Chlorophyll Fluorescence and the PRI in a cornfieldElizabeth M. Middleton, Yen-Ben Cheng, Lawrence A. Corp, Petya K. E. Campbell, Karl Fred Huemmrich, Qingyuan Zhang, William P. Kustas. igarss 2012: 7117-7120 [doi]

2011

Applications of the BIOPHYS Algorithm for Physically-Based Retrieval of Biophysical, Structural and Forest Disturbance InformationDerek R. Peddle, Karl Fred Huemmrich, Forrest G. Hall, Jeffrey G. Masek, Scott A. Soenen, Chris D. Jackson. staeors, 4(4):971-982, 2011. [doi]

2010

2008

Foliar Bio-Physical and Spectral Properties Associated with Light Environment in a Mature Poplar StandPetya K. E. Campbell, Elizabeth M. Middleton, Lawrence A. Corp, Yen-Ben Cheng, Karl Fred Huemmrich, Geoffrey G. Parker 0002. igarss 2008: 793-796 [doi]

Comparisons between in Situ Anisotropic Reflectance Measurements and Simulations for Vegetation Canopies: Validation and Sensitivity AnalysisYen-Ben Cheng, Lawrence A. Corp, Elizabeth M. Middleton, Karl Fred Huemmrich, Qingyuan Zhang, Petya K. E. Campbell, Geoffrey G. Parker 0002. igarss 2008: 790-792 [doi]

Impact of Spectral Resolution on Solar Induced Fluorescence and Reflectance Indices for Monitoring VegetationLawrence A. Corp, Elizabeth M. Middleton, Yen-Ben Cheng, Petya K. E. Campbell, Karl Fred Huemmrich. igarss 2008: 1387-1390 [doi]

Using Reflectance Measurements to Determine Light use Efficiency in CornKarl Fred Huemmrich, Lawrence A. Corp, Andrew L. Russ, Elizabeth M. Middleton, William P. Kustas, John Prueger, Yen-Ben Cheng. igarss 2008: 632-634 [doi]

Relating a Spectral Index from MODIS and Tower-Based Measurements to Ecosystem Light Use Efficiency for a Fluxnet-Canada Coniferous ForestElizabeth M. Middleton, Yen-Ben Cheng, Thomas Hilker, Nicholas C. Coops, Karl Fred Huemmrich, T. Andrew Black, Praveena Krishnan. igarss 2008: 307-310 [doi]

2006

A Landsat surface reflectance dataset for North America, 1990-2000Jeffrey G. Masek, Eric F. Vermote, Nazmi El Saleous, Robert E. Wolfe, Forrest G. Hall, Karl Fred Huemmrich, Feng Gao, Jonathan Kutler, Teng-Kui Lim. lgrs, 3(1):68-72, 2006. [doi]

Retrieval of Quantitative and Qualitative Information about Plant Pigment Systems from High Resolution SpectroscopySusan L. Ustin, Gregory Asner, John A. Gamon, Karl Fred Huemmrich, Stephane Jacquemoud, Michael E. Schaepman, Pablo J. Zarco-Tejada. igarss 2006: 1996-1999 [doi]

MODIS leaf area index products: from validation to algorithm improvementWenze Yang, Bin Tan, Dong Huang, Miina Rautiainen, Nikolay V. Shabanov, Yujie Wang, Jeffrey L. Privette, Karl Fred Huemmrich, Rasmus Fensholt, Inge Sandholt, Marie Weiss, Douglas E. Ahl, Stith T. Gower, Ramakrishna R. Nemani, Yuri Knyazikhin, Ranga B. Myneni. tgrs, 44(7-1):1885-1898, 2006. [doi]

2004

Direct satellite inference of ecosystem light use efficiency for carbon exchange using MODIS on Terra and AquaElizabeth M. Middleton, Guillaume Drolet, Karl Fred Huemmrich, Forrest G. Hall, Robert G. Knox, Andy Black, Alan Barr, Alexei I. Lyapustin, Janette C. Gervin, Hank Margolis. igarss 2004: 2038-2041 [doi]

2003

Estimation and validation of land surface broadband albedos and leaf area index from EO-1 ALI dataShunlin Liang, Hongliang Fang, Monisha Kaul, Tom G. Van Niel, Tim R. McVicar, Jay S. Pearlman, Charles L. Walthall, Craig S. T. Daughtry, Karl Fred Huemmrich. tgrs, 41(6):1260-1267, 2003. [doi]

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Publications by 'Karl Fred Huemmrich'

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2019

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2003

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Researchr

Publications by 'Karl Fred Huemmrich'

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2019

2018

2017

2015

2013

2012

2011

2010

2008

2006

2004

2003

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