World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
42
Citations
11099
World Ranking
7275
National Ranking
2590

Overview

Karl Fred Huemmrich is affiliated with the University of Maryland, Baltimore County in the United States. Their research primarily focuses on topics within environmental science and earth and planetary sciences, with a strong emphasis on atmospheric science, ecology, global and planetary change, environmental engineering, and ecological modeling.

The scientist's work covers a range of subjects including remote sensing in agriculture, cryospheric studies and observations, climate change and permafrost, land use and ecosystem services, plant water relations and carbon dynamics, atmospheric and environmental gas dynamics, and species distribution in relation to climate change.

They have published research in several academic venues, frequently contributing to:

  • Remote Sensing of Environment
  • The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
  • Journal of Geophysical Research Biogeosciences
  • Ecological Applications
  • Environmental Research Communications

Some of their recent papers include:

  • "NASA's surface biology and geology designated observable: A perspective on surface imaging algorithms," 2021, Remote Sensing of Environment
  • "Remote Sensing of Tundra Ecosystems Using High Spectral Resolution Reflectance: Opportunities and Challenges," 2022, Journal of Geophysical Research Biogeosciences
  • "Canopy reflectance models illustrate varying NDVI responses to change in high latitude ecosystems," 2021, Ecological Applications
  • "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 model," 2020, Remote Sensing of Environment
  • "Towards a standardized, ground-based network of hyperspectral measurements: Combining time series from autonomous field spectrometers with Sentinel-2," 2024, Remote Sensing of Environment

Frequent co-authors collaborating with Huemmrich include Petya Campbell, S. A. Vargas, Elizabeth M. Middleton, Shawn Serbin, and David R. Thompson.

Best Publications

  • A Landsat surface reflectance dataset for North America, 1990-2000

    J.G. Masek;E.F. Vermote;N.E. Saleous;R. Wolfe

  • Global monitoring of terrestrial chlorophyll fluorescence from moderate-spectral-resolution near-infrared satellite measurements: methodology, simulations, and application to GOME-2

    J. Joiner;L. Guanter;R. Lindstrot;M. Voigt

  • Vegetation canopy PAR absorptance and the normalized difference vegetation index: an assessment using the SAIL model.

    Samuel N. Goward;Karl F. Huemmrich

  • Satellite remote sensing of surface energy balance : success, failures, and unresolved issues in FIFE

    Forrest G. Hall;Karl F. Huemmrich;Scott J. Goetz;Piers J. Sellers

  • Remote sensing of the land surface for studies of global change: Models — algorithms — experiments

    P.J. Sellers;B.W. Meeson;F.G. Hall;G. Asrar

  • MODIS leaf area index products: from validation to algorithm improvement

    Wenze Yang;Bin Tan;Dong Huang;M. Rautiainen

  • The seasonal cycle of satellite chlorophyll fluorescence observations and its relationship to vegetation phenology and ecosystem atmosphere carbon exchange

    J. Joiner;Y. Yoshida;Ap. Vasilkov;K. Schaefer

  • A remotely sensed pigment index reveals photosynthetic phenology in evergreen conifers

    John A. Gamon;John A. Gamon;K. Fred Huemmrich;Christopher Y. S. Wong;Ingo Ensminger

  • Remote Sensing of Forest Biophysical Structure Using Mixture Decomposition and Geometric Reflectance Models

    Forrest G. Hall;Yosio E. Shimabukuro;Karl F. Huemmrich

  • NASA's surface biology and geology designated observable: A perspective on surface imaging algorithms

    Kerry Cawse-Nicholson;Philip A. Townsend;David Schimel;Ali M. Assiri

  • Remote sensing of photosynthetic-light-use efficiency of boreal forest

    Caroline J. Nichol;Karl F. Huemmrich;T.Andrew Black;Paul G. Jarvis

  • 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 Data

    P. S. Thenkabail;I. Mariotto;M. K. Gumma;E. M. Middleton

  • A MODIS-derived photochemical reflectance index to detect inter-annual variations in the photosynthetic light-use efficiency of a boreal deciduous forest

    Guillaume G. Drolet;Karl F. Huemmrich;Karl F. Huemmrich;Forrest G. Hall;Forrest G. Hall;Elizabeth M. Middleton

  • The GeoSail model: a simple addition to the SAIL model to describe discontinuous canopy reflectance

    K.F. Huemmrich

  • Multi-angle remote sensing of forest light use efficiency by observing PRI variation with canopy shadow fraction

    Forrest G Hall;Thomas Hilker;Nicholas C Coops;Alexei Lyapustin

  • High temporal resolution NDVI phenology from micrometeorological radiation sensors

    K. F. Huemmrich;T. A. Black;P. G. Jarvis;J. H. McCaughey

  • Regional mapping of gross light-use efficiency using MODIS spectral indices

    G.G. Drolet;E.M. Middleton;K.F. Huemmrich;K.F. Huemmrich;F.G. Hall;F.G. Hall

  • Spatial and Temporal Variation in Primary Productivity (NDVI) of Coastal Alaskan Tundra: Decreased Vegetation Growth Following Earlier Snowmelt

    John A. Gamon;John A. Gamon;K. Fred Huemmrich;K. Fred Huemmrich;Robert S. Stone;Robert S. Stone;Craig E. Tweedie

  • Time‐series validation of MODIS land biophysical products in a Kalahari woodland, Africa

    K. F. Huemmrich;J. L. Privette;M. Mukelabai;R. B. Myneni

  • Evaluation of fraction of absorbed photosynthetically active radiation products for different canopy radiation transfer regimes: methodology and results using Joint Research Center products derived from SeaWiFS against ground-based estimations.

    Nadine Gobron;Bernard Pinty;Ophélie Aussedat;Jing M. Chen

  • Spectral Network (SpecNet)-What is it and why do we need it?

    John A. Gamon;A. F. Rahman;J. L. Dungan;M. Schildhauer

Frequent Co-Authors

Elizabeth M. Middleton
Elizabeth M. Middleton Goddard Space Flight Center
Forrest G. Hall
Forrest G. Hall University of Maryland, Baltimore County
William P. Kustas
William P. Kustas Agricultural Research Service
Hank A. Margolis
Hank A. Margolis National Aeronautics and Space Administration
John A. Gamon
John A. Gamon University of Nebraska–Lincoln
Scott J. Goetz
Scott J. Goetz Northern Arizona University
Piers J. Sellers
Piers J. Sellers Goddard Space Flight Center
Nicholas C. Coops
Nicholas C. Coops University of British Columbia
Craig S. T. Daughtry
Craig S. T. Daughtry Agricultural Research Service
Luis Guanter
Luis Guanter Universitat Politècnica de València

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