World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
45
Citations
10097
World Ranking
6296
National Ranking
2272

Research.com Recognitions

  • 2017 - VZJ Reviewer-Editor's Citation of Excellence Award, American Society of Agronomy

Overview

Todd G. Caldwell is affiliated with the United States Geological Survey in the United States. Their research spans multiple areas within environmental science and earth and planetary sciences, with a particular focus on soil moisture and remote sensing, soil and unsaturated flow, climate change and permafrost, cryospheric studies and observations, precipitation measurement and analysis, hydrology and watershed management studies, and groundwater flow and contamination studies.

Their recent publications include:

  • Validation of Soil Moisture Data Products From the NASA SMAP Mission, 2021, IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
  • Improved SMAP Dual-Channel Algorithm for the Retrieval of Soil Moisture, 2020, IEEE Transactions on Geoscience and Remote Sensing
  • Going Beyond Low Flows: Streamflow Drought Deficit and Duration Illuminate Distinct Spatiotemporal Drought Patterns and Trends in the U.S. During the Last Century, 2022, Water Resources Research
  • Developing a strategy for the national coordinated soil moisture monitoring network, 2021, Vadose Zone Journal
  • Regularized Dual-Channel Algorithm for the Retrieval of Soil Moisture and Vegetation Optical Depth From SMAP Measurements, 2021, IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing

Frequent co-authors of the scientist include:

  • Michael H. Cosh
  • Andreas Colliander
  • Aaron Berg
  • David D. Bosch
  • José Martínez-Fernández

The primary publication venues for their work are:

  • IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
  • Vadose Zone Journal
  • Journal of Hydrology
  • Journal of Visualized Experiments
  • IEEE Transactions on Geoscience and Remote Sensing

Their main fields of study comprise environmental science and earth and planetary sciences. Subfields covered include environmental engineering, atmospheric science, civil and structural engineering, global and planetary change, and water science and technology.

Todd G. Caldwell was recognized with the VZJ Reviewer-Editor's Citation of Excellence Award by the American Society of Agronomy in 2017.

Best Publications

  • The magnetotelluric phase tensor

    T. Grant Caldwell;T. Grant Caldwell;Hugh M. Bibby;Colin Brown

  • Validation of SMAP surface soil moisture products with core validation sites

    A. Colliander;T.J. Jackson;R. Bindlish;S. Chan

  • Assessment of the SMAP Passive Soil Moisture Product

    Steven K. Chan;Rajat Bindlish;Peggy E. O'Neill;Eni Njoku

  • Development and assessment of the SMAP enhanced passive soil moisture product

    S. K. Chan;R. Bindlish;P. O'Neill;T. Jackson

  • Geophysical evidence on the structure of the Taupo Volcanic Zone and its hydrothermal circulation

    H.M. Bibby;T.G. Caldwell;F.J. Davey;T.H. Webb

  • Assessment of the SMAP Level-4 surface and root-zone soil moisture product using in situ measurements

    Rolf H. Reichle;Gabrielle J. M. De Lannoy;Qing Liu;Joseph V. Ardizzone

  • Determinable and non-determinable parameters of galvanic distortion in magnetotellurics

    H. M. Bibby;T. G. Caldwell;C. Brown

  • The SMAP and Copernicus Sentinel 1A/B microwave active-passive high resolution surface soil moisture product

    Narendra N. Das;Dara Entekhabi;R. Scott Dunbar;Mario J. Chaubell

  • Fluid and deformation regime of an advancing subduction system at Marlborough, New Zealand

    Philip E. Wannamaker;T. Grant Caldwell;George R. Jiracek;Virginie Maris

  • Fluid generation and pathways beneath an active compressional orogen, the New Zealand Southern Alps, inferred from magnetotelluric data

    Philip E. Wannamaker;George R. Jiracek;John A. Stodt;T. Grant Caldwell

  • Distribution of melt beneath Mount St Helens and Mount Adams inferred from magnetotelluric data

    Graham James Hill;Graham James Hill;T Grant Caldwell;Wiebke Heise;Wiebke Heise;Darren G Chertkoff

  • Three‐dimensional modelling of magnetotelluric data from the Rotokawa geothermal field, Taupo Volcanic Zone, New Zealand

    W. Heise;T. G. Caldwell;H. M. Bibby;S. C. Bannister

  • Forest Floor Carbon and Nitrogen Losses Due to Prescription Fire

    Todd Caldwell;D. W. Johnson;W. W. Miller;R. G. Qualls

  • Melt distribution beneath a young continental rift: The Taupo Volcanic Zone, New Zealand

    Wiebke Heise;Hugh M. Bibby;T. Grant Caldwell;Stephen C. Bannister

  • Hydraulic Properties of a Desert Soil Chronosequence in the Mojave Desert, USA

    Michael H Young;E. V. Mcdonald;Todd Caldwell;S. G. Benner

  • Estimating Surface Soil Moisture from SMAP Observations Using a Neural Network Technique

    J. Kolassa;J. Kolassa;R.H. Reichle;Q. Liu;S.H. Alemohammad

  • Magnetotelluric imaging of upper-crustal convection plumes beneath the Taupo Volcanic Zone, New Zealand

    E. A. Bertrand;T. G. Caldwell;G. J. Hill;E. L. Wallin;E. L. Wallin

  • Three-dimensional electrical resistivity image of magma beneath an active continental rift, Taupo Volcanic Zone, New Zealand

    Wiebke Heise;Wiebke Heise;T. Grant Caldwell;Hugh M. Bibby;Stewart L. Bennie

  • Improved SMAP Dual-Channel Algorithm for the Retrieval of Soil Moisture

    Mario Julian Chaubell;Simon H. Yueh;R. Scott Dunbar;Andreas Colliander

  • The effects of wildfire, salvage logging, and post-fire N-fixation on the nutrient budgets of a Sierran forest.

    D.W. Johnson;J.F. Murphy;R.B. Susfalk;T.G. Caldwell

  • A vadose zone water fluxmeter with divergence control

    Glendon W. Gee;Anderson L. Ward;Todd G. Caldwell;Jason C. Ritter

Frequent Co-Authors

Michael H. Cosh
Michael H. Cosh Agricultural Research Service
Aaron A. Berg
Aaron A. Berg University of Guelph
Jeffrey P. Walker
Jeffrey P. Walker Monash University
Andreas Colliander
Andreas Colliander California Institute of Technology
David D. Bosch
David D. Bosch Agricultural Research Service
Michael H. Young
Michael H. Young The University of Texas at Austin
Thomas J. Jackson
Thomas J. Jackson Agricultural Research Service
José Martínez-Fernández
José Martínez-Fernández University of Salamanca
Rajat Bindlish
Rajat Bindlish Goddard Space Flight Center
Peggy E. O'Neill
Peggy E. O'Neill Goddard Space Flight Center

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