Works by Welker, Jeffrey M.
Results: 99
Quantifying effects of snow depth on caribou winter range selection and movement in Arctic Alaska.
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- Movement Ecology, 2021, v. 9, n. 1, p. 1, doi. 10.1186/s40462-021-00276-4
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- Article
DOC export is exceeded by C fixation in May Creek: A late-successional watershed of the Copper River Basin, Alaska.
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- PLoS ONE, 2019, v. 14, n. 11, p. 1, doi. 10.1371/journal.pone.0225271
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- Article
Migratory goose arrival time plays a larger role in influencing forage quality than advancing springs in an Arctic coastal wetland.
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- PLoS ONE, 2019, v. 14, n. 3, p. 1, doi. 10.1371/journal.pone.0213037
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- Article
ENSO effects on δ<sup>18</sup>O, δ<sup>2</sup>H and d-excess values in precipitation across the U.S. using a high-density, long-term network (USNIP).
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- Rapid Communications in Mass Spectrometry: RCM, 2012, v. 26, n. 17, p. 1893, doi. 10.1002/rcm.6298
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- Article
Stormflows Drive Stream Carbon Concentration, Speciation, and Dissolved Organic Matter Composition in Coastal Temperate Rainforest Watersheds.
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- Journal of Geophysical Research. Biogeosciences, 2020, v. 125, n. 9, p. 1, doi. 10.1029/2020JG005804
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- Article
Seasonal Patterns of Riverine Carbon Sources and Export in NW Greenland.
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- Journal of Geophysical Research. Biogeosciences, 2019, v. 124, n. 4, p. 840, doi. 10.1029/2018JG004895
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- Article
Twentieth century erosion in Arctic Alaska foothills: The influence of shrubs, runoff, and permafrost.
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- Journal of Geophysical Research. Biogeosciences, 2011, v. 116, n. G4, p. n/a, doi. 10.1029/2011JG001795
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- Article
Continuous estimates of CO<sub>2</sub> efflux from arctic and boreal soils during the snow-covered season in Alaska.
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- Journal of Geophysical Research. Biogeosciences, 2008, v. 113, n. G4, p. n/a, doi. 10.1029/2008JG000715
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- Article
Energy and water additions give rise to simple responses in plant canopy and soil microclimates of a high arctic ecosystem.
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- Journal of Geophysical Research. Biogeosciences, 2008, v. 113, n. G3, p. n/a, doi. 10.1029/2007JG000477
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- Article
Nonlinear responses to nitrogen and strong interactions with nitrogen and phosphorus additions drastically alter the structure and function of a high arctic ecosystem.
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- Journal of Geophysical Research. Biogeosciences, 2008, v. 113, n. G3, p. n/a, doi. 10.1029/2007JG000508
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- Article
Global patterns of foliar nitrogen isotopes and their relationships with climate, mycorrhizal fungi, foliar nutrient concentrations, and nitrogen availability.
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- New Phytologist, 2009, v. 183, n. 4, p. 980, doi. 10.1111/j.1469-8137.2009.02917.x
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- Article
Resistance and change in a High Arctic ecosystem, NW Greenland: Differential sensitivity of ecosystem metrics to 15 years of experimental warming and wetting.
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- Global Change Biology, 2022, v. 28, n. 5, p. 1853, doi. 10.1111/gcb.16027
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- Article
Winter snow and spring temperature have differential effects on vegetation phenology and productivity across Arctic plant communities.
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- Global Change Biology, 2021, v. 27, n. 8, p. 1572, doi. 10.1111/gcb.15505
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- Article
Delayed herbivory by migratory geese increases summer‐long CO<sub>2</sub> uptake in coastal western Alaska.
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- Global Change Biology, 2019, v. 25, n. 1, p. 277, doi. 10.1111/gcb.14473
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- Article
Long-term increase in snow depth leads to compositional changes in arctic ectomycorrhizal fungal communities.
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- Global Change Biology, 2016, v. 22, n. 9, p. 3080, doi. 10.1111/gcb.13294
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- Article
Winter precipitation and snow accumulation drive the methane sink or source strength of Arctic tussock tundra.
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- Global Change Biology, 2016, v. 22, n. 8, p. 2818, doi. 10.1111/gcb.13242
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- Article
Tree-ring isotopes reveal drought sensitivity in trees killed by spruce beetle outbreaks in south-central Alaska.
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- Ecological Applications, 2016, v. 26, n. 7, p. 2001, doi. 10.1002/eap.1365
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- Article
Contrasting assignment of migratory organisms to geographic origins using long-term versus year-specific precipitation isotope maps.
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- Methods in Ecology & Evolution, 2014, v. 5, n. 9, p. 891, doi. 10.1111/2041-210X.12229
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- Article
Synoptic and Mesoscale Mechanisms Drive Winter Precipitation δ<sup>18</sup>O/δ<sup>2</sup>H in South‐Central Alaska.
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- Journal of Geophysical Research. Atmospheres, 2019, v. 124, n. 7, p. 4252, doi. 10.1029/2018JD030050
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- Article
Isotopic signature of extreme precipitation events in the western U.S. and associated phases of Arctic and tropical climate modes.
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- Journal of Geophysical Research. Atmospheres, 2016, v. 121, n. 15, p. 8913, doi. 10.1002/2016JD025524
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- Article
Pacific-North American Teleconnection Controls on Precipitation Isotopes (δ<sup>18</sup>O) across the Contiguous United States and Adjacent Regions: A GCM-Based Analysis.
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- Journal of Climate, 2014, v. 27, n. 3, p. 1046, doi. 10.1175/JCLI-D-13-00334.1
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- Article
Global sinusoidal seasonality in precipitation isotopes.
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- Hydrology & Earth System Sciences Discussions, 2019, p. 1, doi. 10.5194/hess-2019-61
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- Article
Pan-Arctic Precipitation Isotope (δ18O & δ2H) Characteristics and Processes.
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- Geophysical Research Abstracts, 2019, v. 21, p. 1
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- Article
Contribution of fluorescent primary biological aerosol particles to low-level Arctic cloud residuals.
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- Atmospheric Chemistry & Physics, 2024, v. 24, n. 9, p. 5479, doi. 10.5194/acp-24-5479-2024
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- Article
Baffin Bay sea ice extent and synoptic moisture transport drive water vapor isotope (δ18O, δ2H, and deuterium excess) variability in coastal northwest Greenland.
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- Atmospheric Chemistry & Physics, 2020, v. 20, n. 22, p. 13929, doi. 10.5194/acp-20-13929-2020
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- Article
Global sinusoidal seasonality in precipitation isotopes.
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- Hydrology & Earth System Sciences, 2019, v. 23, n. 8, p. 3423, doi. 10.5194/hess-23-3423-2019
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- Article
Climate change, cultural continuity and ecological grief: Insights from the Sámi Homeland.
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- AMBIO - A Journal of the Human Environment, 2024, v. 53, n. 8, p. 1203, doi. 10.1007/s13280-024-02012-9
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- Article
The Pivotal Role of Evaporation in Lake Water Isotopic Variability Across Space and Time in a High Arctic Periglacial Landscape.
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- Water Resources Research, 2024, v. 60, n. 10, p. 1, doi. 10.1029/2023WR036121
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- Article
The Spatiotemporal Variability of Snowpack and Snowmelt Water 18O and 2H Isotopes in a Subarctic Catchment.
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- Water Resources Research, 2023, v. 59, n. 1, p. 1, doi. 10.1029/2022WR033101
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- Article
Reassessing the role of temperature in precipitation oxygen isotopes across the eastern and central United States through weekly precipitation-day data.
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- Water Resources Research, 2017, v. 53, n. 9, p. 7644, doi. 10.1002/2017WR020569
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- Article
The pronounced seasonality of global groundwater recharge.
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- Water Resources Research, 2014, v. 50, n. 11, p. 8845, doi. 10.1002/2014WR015809
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- Article
From Intra-plant to Regional Scale: June Temperatures and Regional Climates Directly and Indirectly Control Betula nana Growth in Arctic Alaska.
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- Ecosystems, 2023, v. 26, n. 3, p. 491, doi. 10.1007/s10021-022-00771-8
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- Article
Goose Feces Effects on Subarctic Soil Nitrogen Availability and Greenhouse Gas Fluxes.
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- Ecosystems, 2023, v. 26, n. 1, p. 187, doi. 10.1007/s10021-022-00752-x
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- Article
Early Goose Arrival Increases Soil Nitrogen Availability More Than an Advancing Spring in Coastal Western Alaska.
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- Ecosystems, 2020, v. 23, n. 6, p. 1309, doi. 10.1007/s10021-019-00472-9
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- Article
Paired oxygen isotope records reveal modern North American atmospheric dynamics during the Holocene.
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- Nature Communications, 2014, v. 5, n. 4, p. 3701, doi. 10.1038/ncomms4701
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- Article
Atmospheric circulation is reflected in precipitation isotope gradients over the conterminous United States.
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- Journal of Geophysical Research. Atmospheres, 2010, v. 115, n. D22, p. n/a, doi. 10.1029/2010JD014175
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- Article
Relationships between daytime carbon dioxide uptake and absorbed photosynthetically active radiation for three different mountain/plains ecosystems.
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- Journal of Geophysical Research. Atmospheres, 2002, v. 107, n. D14, p. ACH 19-1, doi. 10.1029/2001JD001181
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- Article
Space-time tradeoffs in the development of precipitation-based isoscape models for determining migratory origin.
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- Journal of Avian Biology, 2015, v. 46, n. 6, p. 658, doi. 10.1111/jav.00656
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- Article
Geographical Area and Life History Traits Influence Diet in an Arctic Marine Predator.
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- PLoS ONE, 2016, v. 11, n. 5, p. 1, doi. 10.1371/journal.pone.0155980
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- Article
Estimation of Carbon Sequestration by Combining Remote Sensing and Net Ecosystem Exchange Data for Northern Mixed-Grass Prairie and Sagebrush–Steppe Ecosystems.
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- Environmental Management, 2004, v. 33, p. S432, doi. 10.1007/s00267-003-9151-0
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- Article
Flushing or mixing? Stable water isotopes reveal differences in arctic forest and peatland soil water seasonality.
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- Hydrological Processes, 2023, v. 37, n. 1, p. 1, doi. 10.1002/hyp.14811
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- Article
Summer temperature increase has distinct effects on the ectomycorrhizal fungal communities of moist tussock and dry tundra in Arctic Alaska.
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- Global Change Biology, 2015, v. 21, n. 2, p. 959, doi. 10.1111/gcb.12716
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- Article
Complex carbon cycle responses to multi-level warming and supplemental summer rain in the high Arctic.
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- Global Change Biology, 2013, v. 19, n. 6, p. 1780, doi. 10.1111/gcb.12149
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- Article
Large herbivores limit CO<sub>2</sub> uptake and suppress carbon cycle responses to warming in West Greenland.
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- Global Change Biology, 2012, v. 18, n. 2, p. 469, doi. 10.1111/j.1365-2486.2011.02528.x
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- Article
Arctic and North Atlantic Oscillation phase changes are recorded in the isotopes ( δ<sup>18</sup>O and δ<sup>13</sup>C) of Cassiope tetragona plants.
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- Global Change Biology, 2005, v. 11, n. 7, p. 997, doi. 10.1111/j.1365-2486.2005.00961.x
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- Article
CO<sub>2</sub> exchange in three Canadian High Arctic ecosystems: response to long-term experimental warming.
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- Global Change Biology, 2004, v. 10, n. 12, p. 1981, doi. 10.1111/j.1365-2486.2004.00857.x
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- Article
Interactions among shrub cover and the soil microclimate may determine future Arctic carbon budgets.
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- Ecology Letters, 2012, v. 15, n. 12, p. 1415, doi. 10.1111/j.1461-0248.2012.01865.x
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- Article
MODELING THE EFFECT OF PHOTOSYNTHETIC VEGETATION PROPERTIES ON THE NDVI-LAI RELATIONSHIP.
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- Ecology, 2006, v. 87, n. 11, p. 2765, doi. 10.1890/0012-9658(2006)87[2765:MTEOPV]2.0.CO;2
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- Article
Arctic sea-ice loss fuels extreme European snowfall.
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- Nature Geoscience, 2021, v. 14, n. 5, p. 283, doi. 10.1038/s41561-021-00719-y
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- Article
Substantial proportion of global streamflow less than three months old.
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- Nature Geoscience, 2016, v. 9, n. 2, p. 126, doi. 10.1038/ngeo2636
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- Article