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Warren Helgason
Warren Helgason
在 usask.ca 的电子邮件经过验证
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引用次数
引用次数
年份
Accuracy of snow depth estimation in mountain and prairie environments by an unmanned aerial vehicle
P Harder, M Schirmer, J Pomeroy, W Helgason
The Cryosphere 10 (6), 2559-2571, 2016
1462016
Improving sub-canopy snow depth mapping with unmanned aerial vehicles: lidar versus structure-from-motion techniques
P Harder, JW Pomeroy, WD Helgason
The Cryosphere 14 (6), 1919-1935, 2020
912020
Bias corrections of precipitation measurements across experimental sites in different ecoclimatic regions of western Canada
X Pan, D Yang, Y Li, A Barr, W Helgason, M Hayashi, P Marsh, J Pomeroy, ...
The Cryosphere 10 (5), 2347-2360, 2016
792016
Problems closing the energy balance over a homogeneous snow cover during midwinter
W Helgason, J Pomeroy
Journal of Hydrometeorology 13 (2), 557-572, 2012
762012
Diurnal and seasonal dynamics of solar‐induced chlorophyll fluorescence, vegetation indices, and gross primary productivity in the boreal forest
Z Pierrat, T Magney, NC Parazoo, K Grossmann, DR Bowling, U Seibt, ...
Journal of Geophysical Research: Biogeosciences 127 (2), e2021JG006588, 2022
632022
Characteristics of the near-surface boundary layer within a mountain valley during winter
W Helgason, JW Pomeroy
Journal of Applied Meteorology and Climatology 51 (3), 583-597, 2012
552012
Estimating field-scale root zone soil moisture using the cosmic-ray neutron probe
AM Peterson, WD Helgason, AM Ireson
Hydrology and Earth System Sciences 20 (4), 1373-1385, 2016
542016
Local‐scale advection of sensible and latent heat during snowmelt
P Harder, JW Pomeroy, W Helgason
Geophysical Research Letters 44 (19), 9769-9777, 2017
462017
Tower‐based remote sensing reveals mechanisms behind a two‐phased spring transition in a mixed‐species boreal forest
Z Pierrat, MF Nehemy, A Roy, T Magney, NC Parazoo, C Laroque, ...
Journal of Geophysical Research: Biogeosciences 126 (5), e2020JG006191, 2021
412021
Joint modeling of crop and irrigation in the central United States using the Noah‐MP land surface model
Z Zhang, M Barlage, F Chen, Y Li, W Helgason, X Xu, X Liu, Z Li
Journal of Advances in Modeling Earth Systems 12 (7), e2020MS002159, 2020
392020
Estimation of standardized reference evapotranspiration on the Canadian Prairies using simple models with limited weather data
C Maulé, W Helgason, S McGinn, H Cutforth
Canadian Biosystems Engineering 48, 1, 2006
392006
Summary and synthesis of Changing Cold Regions Network (CCRN) research in the interior of western Canada–Part 2: Future change in cryosphere, vegetation, and hydrology
CM DeBeer, HS Wheater, JW Pomeroy, AG Barr, JL Baltzer, JF Johnstone, ...
Hydrology and Earth System Sciences Discussions 2020, 1-48, 2020
352020
Divergent long‐term trends and interannual variation in ecosystem resource use efficiencies of a southern boreal old black spruce forest 1999–2017
P Liu, TA Black, RS Jassal, T Zha, Z Nesic, AG Barr, WD Helgason, X Jia, ...
Global Change Biology 25 (9), 3056-3069, 2019
342019
Turbulence Characteristics in the Atmospheric Surface Layer for Different Wind Regimes over the Tropical Zongo Glacier (Bolivia, S)
M Litt, JE Sicart, WD Helgason, P Wagnon
Boundary-layer meteorology 154 (3), 471-495, 2015
292015
A study of the atmospheric surface layer and roughness lengths on the high‐altitude tropical Zongo glacier, Bolivia
JE Sicart, M Litt, W Helgason, VB Tahar, T Chaperon
Journal of Geophysical Research: Atmospheres 119 (7), 3793-3808, 2014
292014
Challenges in modeling turbulent heat fluxes to snowpacks in forest clearings
JP Conway, JW Pomeroy, WD Helgason, NJ Kinar
Journal of Hydrometeorology 19 (10), 1599-1616, 2018
272018
Current inventory approach overestimates the effect of irrigated crop management on soil-derived greenhouse gas emissions in the semi-arid Canadian Prairies
C David, R Lemke, W Helgason, RE Farrell
Agricultural Water Management 208, 19-32, 2018
252018
Effects of forest tent caterpillar defoliation on carbon and water fluxes in a boreal aspen stand
JJ Stephens, TA Black, RS Jassal, Z Nesic, NJ Grant, AG Barr, ...
Agricultural and Forest Meteorology 253, 176-189, 2018
252018
Assessment of agricultural adaptations to climate change from a water-energy-food nexus perspective
L Wu, A Elshorbagy, W Helgason
Agricultural Water Management 284, 108343, 2023
222023
Field-scale water balance closure in seasonally frozen conditions
X Pan, W Helgason, A Ireson, H Wheater
Hydrology and Earth System Sciences 21 (11), 5401-5413, 2017
212017
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