Dr. Karl Fred Huemmrich Profile

Dr. Karl Fred Huemmrich

at NASA Goddard Space Flight Ctr

SPIE Involvement:

Author

Publications (5)

Proceedings Article | 16 September 2011 Paper

Spectral bio-indicator simulations for tracking photosynthetic activities in a corn field

Yen-Ben Cheng, Elizabeth Middleton, K. Fred Huemmrich, Qingyuan Zhang, Lawrence Corp, Petya Campbell, William Kustas

Proceedings Volume 8156, 815607 (2011) https://doi.org/10.1117/12.892333

KEYWORDS: Reflectivity, Vegetation, Optical properties, Solar radiation models, Ecosystems, Carbon, Biological research, Radiative transfer, Data modeling, Soil contamination

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SPIE Journal Paper | 1 November 2010

Spectral indices to monitor nitrogen-driven carbon uptake in field corn

Lawrence Corp, Elizabeth Middleton, Petya Campbell, Karl Huemmrich, Craig Daughtry, Andrew Russ, Yen-Ben Cheng

JARS, Vol. 4, Issue 01, 043555, (November 2010) https://doi.org/10.1117/12.10.1117/1.3518455

KEYWORDS: Carbon, Remote sensing, In situ remote sensing, Neodymium, Environmental sensing, Vegetation, Agriculture, Ecosystems, Reflectance spectroscopy, Sensors

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Proceedings Article | 21 August 2009 Paper

Remote sensing techniques to monitor nitrogen-driven carbon dynamics in field corn

Lawrence Corp, Elizabeth Middleton, Petya K. Campbell, K. Fred Huemmrich, Yen-Ben Cheng, Craig S. Daughtry

Proceedings Volume 7454, 745403 (2009) https://doi.org/10.1117/12.825508

KEYWORDS: Reflectivity, Vegetation, Remote sensing, Carbon, Luminescence, Ferroelectric LCDs, Oxygen, Carbon dioxide, Spectral resolution, Ecosystems

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Proceedings Article | 18 August 2009 Paper

Hyperspectral-LIDAR system and data product integration for terrestrial applications

Lawrence Corp, Yen-Ben Cheng, Elizabeth Middleton, Geoffrey Parker, K. Fred Huemmrich, Petya K. Campbell

Proceedings Volume 7457, 745705 (2009) https://doi.org/10.1117/12.825515

KEYWORDS: LIDAR, Reflectivity, Imaging systems, Vegetation, Sensors, Ecosystems, Hyperspectral imaging, Data integration, Spectroscopy, Satellites

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Proceedings Article | 8 November 2005 Paper

Determining ecosystem light use efficiency for carbon exchange from satellite

K. Fred Huemmrich, Elizabeth Middleton, Guillaume Drolet, Forrest Hall, Hank Margolis, Robert Knox

Proceedings Volume 5996, 599605 (2005) https://doi.org/10.1117/12.630522

KEYWORDS: MODIS, Carbon, Reflectivity, Ecosystems, Vegetation, Satellites, Data modeling, Atmospheric modeling, Temperature metrology, Earth observing sensors

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