Research
- Soil Moisture Active/Passive Validation Experiment Within the Canadian Boreal Forest in 2022 (SMAPVEX22‑Boreal)Aaron A. Berg, Kayla Wicks, Jaison Thomas Ambadan, Alexandre Roy, Ramata Magagi, Warren Helgason, Andreas Colliander, Zohreh Alijani, Yasaman Amini, Michael H. Cosh, Jay Creen, Azza Gorrab, Heather MacRae, Kyle McDonald, Koreen Millard, Sidharth Misra, Arnab Muhuri, Mehmet Ogut, Nathan Riis, Camille Roy, Hesam Salmabadi, Nicholas Steiner, Erica Tetlock, Hongquan Wang, Xiaoyong Xu, Simon YuehIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Boreal forest field sampling and in‑situ networks for SMAP/SMOS validation within a single SMAP footprint near Candle Lake, Saskatchewan.
- SMAP Validation Experiment 2019–2022 (SMAPVEX19–22): Field Campaign to Improve Soil Moisture and Vegetation Optical Depth Retrievals in Temperate ForestsAndreas Colliander, Michael H. Cosh, Laura Bourgeau‑Chavez, Victoria R. Kelly, Simon Kraatz, Paul Siqueira, Victoria A. Walker, Xingjian Chen, Alexandre Roy, Tarendra Lakhankar, Kyle C. McDonald, Nicholas Steiner, Mehmet Kurum, Seung‑bum Kim, Aaron Berg, Xiaolan Xu, Sidharth Misra, Mehmet Ogut, Cristina Vittucci, John S. Kimball, Dara Entekhabi, Simon H. YuehIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Comprehensive field campaign and findings improving SMAP soil moisture and VOD retrievals in northeastern U.S. forests.
- Full-wave Simulations of Forest at L-band with Fast Hybrid Multiple Scattering Theory Method and Comparison with GNSS SignalsJongwoo Jeong, Leung Tsang, Mehmet Kurum, Abesh Ghosh, Andreas Colliander, Simon Yueh, Kyle C. McDonald, Nicholas C. Steiner, Michael H. CoshIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
IEEE JSTARS article evaluating fast hybrid scattering simulations against GNSS‑R observations to improve L‑band forest retrievals in support of NISAR.
- High-Resolution Assessment of Heat Mitigation and Water Stress in New York City's Urban Forests Using ECOSTRESS and UAVSARNick Steiner, Kyle C. McDonald, Otillia Steadman, Reiner Zimmermann, Viviana HornaAGU Fall Meeting 2024 (Abstract)
AGU 2024 abstract combining ECOSTRESS LST, UAVSAR structure, and the FRESH sensor network to quantify NYC urban forest cooling and water stress.
- NISAR: Seeing Beyond the Trees to Understand Wetlands, Forests and BiodiversityKyle McDonald, Erika Podest, Nick Steiner, Derek Tesser, Reiner Zimmermann, Armin Niessner, Marcos Rios, J. David Urquiza, Reem Huneini, Brandi Downs, Bruce ChapmanIGARSS 2024 Proceedings
IGARSS 2024 paper outlining NISAR’s capability and cal/val plan for wetlands inundation mapping in Pacaya Samiria, Peru.
- Characterization of site‑specific vegetation activity in Alaskan wet and dry tundra as related to climate and soil stateMichael Gregory Brown, Kyle C. McDonald, Reiner Zimmermann, Nicholas Steiner, Stephanie DeVries, Laura Bourgeau‑ChavezEcosphere
Long‑term, 2‑hourly in situ vegetation activity and soil state in Alaskan wet and dry tundra and links to climate.
- Mapping seasonal glacier melt across the Hindu Kush Himalaya with time series synthetic aperture radar (SAR)Corey Scher, Nicholas C. Steiner, Kyle C. McDonaldThe Cryosphere
Sentinel‑1 time series analysis maps glacier melt onset and duration for 105k glaciers across the HKH (2017–2019).
- L-band vegetation optical depth as an indicator of plant water potential in a temperate deciduous forest standNataniel M. Holtzman, Leander D. L. Anderegg, Simon Kraatz, Alex Mavrovic, Oliver Sonnentag, Christoforos Pappas, Michael H. Cosh, Alexandre Langlois, Tarendra Lakhankar, Derek Tesser, Nicholas Steiner, Andreas Colliander, Alexandre Roy, Alexandra G. KoningsBiogeosciences
Tower-based L-band radiometry reveals diurnal and seasonal relationships between VOD and plant water potential.
- Space-Based Observations for Understanding Changes in the Arctic-Boreal ZoneB. N. Duncan et al.Reviews of Geophysics
Review of space-based observations to monitor changes across the Arctic–Boreal Zone.
- Comparative Study of Hydrology and Icemelt in Three Nepal River Basins Using the Glacio‑Hydrological Degree‑Day Model (GDM) and Observations From ASCATRijan Bhakta Kayastha, Nicholas Steiner, Rakesh Kayastha, Shruti K. Mishra, Kyle McDonaldFrontiers in Earth Science
Integrated modeling and ASCAT melt observations to assess hydrology and melt contributions in Tamor, Trishuli, and Marsyangdi basins.
- Assessing L-Band GNSS-Reflectometry and Imaging Radar for Detecting Sub-Canopy Inundation Dynamics in a Tropical Wetlands ComplexKatherine Jensen, Kyle McDonald, Erika Podest, Nereida Rodriguez-Alvarez, Viviana Horna, Nicholas SteinerRemote Sensing
Comparison of CYGNSS GNSS-R and ALOS-2 PALSAR-2 for mapping sub-canopy inundation dynamics in Peruvian Amazon wetlands.
- An integrated assessment approach for estimating the economic impacts of climate change on River systems: An application to hydropower and fisheries in a Himalayan River, TrishuliShruti Khadka Mishra, John Hayse, Thomas Veselka, Eugene Yan, Rijan Bhakta Kayastha, Kirk LaGory, Kyle McDonald, Nicholas SteinerEnvironmental Science & Policy
Coupled hydrology–power–fisheries–economics framework quantifies climate impacts on Trishuli River hydropower and fisheries.
- Spring photosynthetic onset and net CO₂ uptake in Alaska triggered by landscape thawingNicholas C. Parazoo, Almut Arneth, Thomas A. M. Pugh, Ben Smith, Nicholas Steiner, Kristina Luus, Roisin Commane, Josh Benmergui, Eric Stofferahn, Junjie Liu, Christian Rödenbeck, Randy Kawa, Eugenie Euskirchen, Donatella Zona, Kyle Arndt, Walt Oechel, Charles MillerGlobal Change Biology
Links between soil thaw timing and spring GPP onset across Alaska using observations and modeling.
- Estimating regional-scale methane flux and budgets using CARVE aircraft measurements over AlaskaSean Hartery, RĂłisĂn Commane, Jakob Lindaas, Colm Sweeney, John Henderson, Marikate Mountain, Nicholas Steiner, Kyle McDonald, Steven J. Dinardo, Charles E. Miller, Steven C. Wofsy, Rachel Y.-W. ChangAtmospheric Chemistry and Physics
Lagrangian inversion of CARVE aircraft data to estimate May–September CH₄ fluxes and drivers across Alaska (2012–2014).
- Atmospheric transport simulations in support of the Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE)J. M. Henderson, J. Eluszkiewicz, M. E. Mountain, T. Nehrkorn, R. Y.-W. Chang, A. Karion, J. B. Miller, C. Sweeney, N. Steiner, S. C. Wofsy, C. E. MillerAtmospheric Chemistry and Physics
Polar WRF–STILT modeling for Alaska with validation and high‑resolution footprint applications for CARVE.
- A wavelet melt detection algorithm applied to enhanced-resolution scatterometer data over Antarctica (2000–2009)N. Steiner, M. TedescoThe Cryosphere
Wavelet‑based algorithm maps melt extent and duration from QuikSCAT over Antarctica; evaluation vs AWS and SSM/I.
- Trends in Antarctic Peninsula surface melting conditions from observations and regional climate modelingN. E. Barrand, D. G. Vaughan, N. Steiner, M. Tedesco, P. Kuipers Munneke, M. R. van den Broeke, J. S. HoskingJournal of Geophysical Research: Earth Surface
Observational–model analysis of Antarctic Peninsula melt: trends in melt season onset and duration from satellite microwave data with validation using a regional climate model.
- Comparative analysis of morphological, mineralogical and spectral properties of cryoconite in Jakobshavn Isbræ, Greenland, and Canada Glacier, AntarcticaM. Tedesco, C. M. Foreman, J. Anton, N. Steiner, T. SchwartzmanAnnals of Glaciology
Comparative grain‑size, mineralogy, and spectral reflectance of cryoconite from Greenland and Antarctica and implications for absorbed solar radiation.
- Measurement and modeling of ablation of the bottom of supraglacial lakes in western GreenlandM. Tedesco, M. LĂĽthje, K. Steffen, N. Steiner, X. Fettweis, I. Willis, N. Bayou, A. BanwellGeophysical Research Letters
First in situ measurements and modeling of supraglacial lake bottom ablation rates, showing enhanced melt relative to bare ice.
- Greenland Ice SheetJ. E. Box, J. Cappelen, S. H. Mernild, T. Mote, N. Steiner, M. Tedesco, R. S. W. van de Wal, J. Wahr, C. Chen, D. Decker, X. Fettweis, D. Hall, Edward Hanna, B. V. Jorgensen, N. T. Knudsen, W. H. Lipscomb—
Overview chapter/article on the Greenland Ice Sheet and associated climate and cryosphere variables.
- In‑situ multispectral and bathymetric measurements over a supraglacial lake in western Greenland using a remotely controlled watercraftM. Tedesco, N. SteinerThe Cryosphere
Field spectroscopy and bathymetry of a supraglacial lake to assess assumptions in remote-sensing bathymetric approaches.
- Bacteria-clay interaction: Structural changes in smectite induced during biofilm formationAlexandra Alimova, A. Katz, Nicholas Steiner, Elizabeth Rudolph, Hui Wei, Jeffrey C. Steiner, Paul GottliebClays and Clay Minerals
Time-series experiments show biofilm-driven interlayer changes in smectite, with implications for carbon storage.