Eric S. Klein
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View article: Isotopic Stratification and Non-Equilibrium Processes in a Sub-Arctic Snowpack
Isotopic Stratification and Non-Equilibrium Processes in a Sub-Arctic Snowpack Open
Water vapor transport is a primary driver of snowpack metamorphism – a process happening on the microscale which affects important macroscale properties of the snowpack, important for the mass and energy balance of the snowpack. However, v…
View article: Western Greenland Ice Sheet‐Land‐Ocean Interactions: Near‐Shore Dissolved Organic Carbon <sup>14</sup>C Ages and Composition in Eastern Baffin Bay
Western Greenland Ice Sheet‐Land‐Ocean Interactions: Near‐Shore Dissolved Organic Carbon <sup>14</sup>C Ages and Composition in Eastern Baffin Bay Open
Greenland's ongoing deglaciation and thawing permafrost, accompanied by an increase in ice sheet freshwater discharge and nutrient export, are significantly impacting the surrounding fjords and marine ecosystems. Understanding the geochemi…
View article: Glacier runoff impacts the stoichiometry of riverine nutrient export from coastal Alaskan catchments
Glacier runoff impacts the stoichiometry of riverine nutrient export from coastal Alaskan catchments Open
Understanding the impacts of glacier change on riverine ecosystems is limited by a lack of multi-year studies in glacierized mountain catchments quantifying the magnitude and stoichiometry of riverine biogeochemical yields. Here we evaluat…
View article: The Pivotal Role of Evaporation in Lake Water Isotopic Variability Across Space and Time in a High Arctic Periglacial Landscape
The Pivotal Role of Evaporation in Lake Water Isotopic Variability Across Space and Time in a High Arctic Periglacial Landscape Open
Rapidly changing climate is disrupting the High Arctic's water systems. As tracers of hydrological processes, stable water isotopes can be used for high quality monitoring of Arctic waters to better reconstruct past changes and assess futu…
View article: Arctic Freshwater Sources and Ocean Mixing Relationships Revealed With Seawater Isotopic Tracing
Arctic Freshwater Sources and Ocean Mixing Relationships Revealed With Seawater Isotopic Tracing Open
The Arctic Ocean and adjacent seas are undergoing increased freshwater influx due to enhanced glacial and sea ice melt, precipitation, and runoff. Accurate delineation of these freshwater sources is vital as they critically modulate ocean …
View article: Water Isotope measurements contribute to the understanding of atmospheric, sea ice, ocean interactions during the ArtofMelt expedition, Fram Strait, spring 2023
Water Isotope measurements contribute to the understanding of atmospheric, sea ice, ocean interactions during the ArtofMelt expedition, Fram Strait, spring 2023 Open
Transitions periods between seasons in the Arctic are phases when the atmosphere-sea ice-ocean interactions are heightened, especially during these periods of exceptional warming.  These transition periods may be accompanied by shifts…
View article: 25 years of precipitation isotopic composition across the USA: Assessment of non-linearities associated with moisture source dynamics and storm track variations in the Community Earth System Model
25 years of precipitation isotopic composition across the USA: Assessment of non-linearities associated with moisture source dynamics and storm track variations in the Community Earth System Model Open
A 25-year record from the United States Network for Isotopes in Precipitation (USNIP) using data from seventy-three sampling sites reveals the dynamic role of moisture sources and storm tracks in controlling the precipitation geochemistry …
View article: Complexity of Arctic Ocean water isotope (δ18O, δ2H) spatial and temporal patterns revealed with machine learning
Complexity of Arctic Ocean water isotope (δ18O, δ2H) spatial and temporal patterns revealed with machine learning Open
The stable isotope compositions of water (δ18O, δ2H, deuterium-excess) are important tracers that help illuminate the changing Arctic water cycle and how Arctic-sourced water can influence lower latitudes. We present simultaneous boundary …
View article: Evaporation and water sourcing dominate lake and stream isotopic variability across time and space in a High Arctic periglacial landscape
Evaporation and water sourcing dominate lake and stream isotopic variability across time and space in a High Arctic periglacial landscape Open
Rapidly changing climate is disrupting the High Arctic’s natural water systems. This disruption demands high quality monitoring of Arctic hydrology to better reconstruct past changes, track ongoing transformations, and assess future enviro…
View article: Seawater isotopic measurements (&#948;18O and &#948;D) reveal significant freshwater influxes into the Arctic seas
Seawater isotopic measurements (δ18O and δD) reveal significant freshwater influxes into the Arctic seas Open
<p>As the Arctic warms, one of the fundamental changes has been the freshening of Arctic ocean waters, impacting ocean circulation and marine ecosystems, among many other critical changes. This increase in freshwater is largely the r…
View article: A Late Holocene Stable Isotope and Carbon Accumulation Record from Teringi Bog in Southern Estonia
A Late Holocene Stable Isotope and Carbon Accumulation Record from Teringi Bog in Southern Estonia Open
Radiocarbon-dated peat cores collected from an ombrotrophic bog in southern Estonia record shifting environmental conditions and carbon accumulation rates in northern Europe during the late Holocene. Modern observations indicate that the w…
View article: Subarctic catchment water storage and carbon cycling – Leading the way for future studies using integrated datasets at Pallas, Finland
Subarctic catchment water storage and carbon cycling – Leading the way for future studies using integrated datasets at Pallas, Finland Open
Subarctic ecohydrological processes are changing rapidly, but detailed and integrated ecohydrological investigations are not as widespread as necessary. We introduce an integrated research catchment site (Pallas) for atmosphere, ecosystems…
View article: TIME-INTEGRATED COLLECTION OF CO<sub>2</sub>FOR<sup>14</sup>C ANALYSIS FROM SOILS
TIME-INTEGRATED COLLECTION OF CO<sub>2</sub>FOR<sup>14</sup>C ANALYSIS FROM SOILS Open
We developed a passive sampler for time-integrated collection and radiocarbon ( 14 C) analysis of soil respiration, a major flux in the global C cycle. It consists of a permanent access well that controls the CO 2 uptake rate and an exchan…
View article: Hydroclimatic Controls on the Isotopic (δ18 O, δ2 H, d-excess) Traits of Pan-Arctic Summer Rainfall Events
Hydroclimatic Controls on the Isotopic (δ18 O, δ2 H, d-excess) Traits of Pan-Arctic Summer Rainfall Events Open
Arctic sea-ice loss is emblematic of an amplified Arctic water cycle and has critical feedback implications for global climate. Stable isotopes (δ 18 O, δ 2 H, d-excess ) are valuable tracers for constraining water cycle and climate proces…
View article: Pan-Arctic Precipitation Isotope Network (PAPIN) - isotope data from summer 2018
Pan-Arctic Precipitation Isotope Network (PAPIN) - isotope data from summer 2018 Open
Pan-Arctic Precipitation Isotope Network (PAPIN) was established in 2018 to coordinate precipitation sampling at 19 stations across key tundra, subarctic, maritime, and continental climate zones. Here, we present a first assessment of rain…
View article: Pan-Arctic Precipitation Isotope Network (PAPIN) - isotope data from summer 2018
Pan-Arctic Precipitation Isotope Network (PAPIN) - isotope data from summer 2018 Open
Pan-Arctic Precipitation Isotope Network (PAPIN) was established in 2018 to coordinate precipitation sampling at 19 stations across key tundra, subarctic, maritime, and continental climate zones. Here, we present a first assessment of rain…
View article: Sea ice controls on Arctic water vapor content and transport: Discoveries from MOSAiC&#8217;s pan Arctic Water Isotope Network (AWIN)
Sea ice controls on Arctic water vapor content and transport: Discoveries from MOSAiC’s pan Arctic Water Isotope Network (AWIN) Open
<p>One of the key changes of the global climate system is the loss of Arctic sea ice, particularly through its impact on ocean-atmosphere interactions. Enhanced evaporation under open-water conditions is widespread from places and pe…
View article: Arctic Snow Isotope Hydrology: A Comparative Snow-Water Vapor Study
Arctic Snow Isotope Hydrology: A Comparative Snow-Water Vapor Study Open
The Arctic’s winter water cycle is rapidly changing, with implications for snow moisture sources and transport processes. Stable isotope values (δ18O, δ2H, d-excess) of the Arctic snowpack have potential to provide proxy records of these p…
View article: Water vapor isotope data from Pallas-Yllastunturi National Park, Finland (Winter 2017-18)
Water vapor isotope data from Pallas-Yllastunturi National Park, Finland (Winter 2017-18) Open
Calibrated water vapor isotope and mixing ratio data from Pallas-Yllastunturi National Park, Finland. Site Name: Sammaltunturi Station, Finland (Finnish Meteorological Institute) Site Location: 67.973°N; 24.116°E Site Elevation: 565 m ab…
View article: Water vapor isotope data from Pallas-Yllastunturi National Park, Finland (Winter 2017-18)
Water vapor isotope data from Pallas-Yllastunturi National Park, Finland (Winter 2017-18) Open
Calibrated water vapor isotope and mixing ratio data from Pallas-Yllastunturi National Park, Finland. Site Name: Sammaltunturi Station, Finland (Finnish Meteorological Institute) Site Location: 67.973°N; 24.116°E Site Elevation: 565 m ab…
View article: Baffin Bay sea ice extent and synoptic moisture transport drive water vapor isotope ( <i>δ</i> <sup>18</sup> O, <i>δ</i> <sup>2</sup> H, and deuterium excess) variability in coastal northwest Greenland
Baffin Bay sea ice extent and synoptic moisture transport drive water vapor isotope ( <i>δ</i> <sup>18</sup> O, <i>δ</i> <sup>2</sup> H, and deuterium excess) variability in coastal northwest Greenland Open
At Thule Air Base on the coast of Baffin Bay (76.51∘ N, 68.74∘ W), we continuously measured water vapor isotopes (δ18O, δ2H) at a high frequency (1 s−1) from August 2017 through August 2019. Our resulting record, including derived deuteriu…
View article: Significant water vapor fluxes from the Greenland Ice Sheet detectedthrough water vapor isotopic (δ&lt;sup&gt;18&lt;/sup&gt;O, δD, deuterium excess) measurements
Significant water vapor fluxes from the Greenland Ice Sheet detectedthrough water vapor isotopic (δ<sup>18</sup>O, δD, deuterium excess) measurements Open
The summer of 2019 was marked by an extensive early onset of surface melt and record volume losses of the Greenland Ice Sheet (GrIS), which is part of a larger trend of increasing melt over time. Given the growing spatial extent of melt, t…
View article: Supplementary material to &quot;Significant water vapor fluxes from the Greenland Ice Sheet detectedthrough water vapor isotopic (δ&lt;sup&gt;18&lt;/sup&gt;O, δD, deuterium excess) measurements&quot;
Supplementary material to "Significant water vapor fluxes from the Greenland Ice Sheet detectedthrough water vapor isotopic (δ<sup>18</sup>O, δD, deuterium excess) measurements" Open
Figure S1: Leverage plots (Sall, 1990) for multiple regressions of hourly δ 18 O against hourly THU_L relative humidity (RH) and wind speed, past 24-hour GrIS melt extent, the past 72-hour NAO index for (a) the melt season excluding melt e…
View article: Baffin Bay sea ice extent and synoptic moisture transport drive water vapor isotope ( <i>δ</i> <sup>18</sup> O, <i>δ</i> D, <i>d</i> - <i>excess</i> ) variability in coastal northwest Greenland
Baffin Bay sea ice extent and synoptic moisture transport drive water vapor isotope ( <i>δ</i> <sup>18</sup> O, <i>δ</i> D, <i>d</i> - <i>excess</i> ) variability in coastal northwest Greenland Open
At Thule Air Base on the coast of Baffin Bay (76.51° N 68.74° W), we continuously measured water vapor isotopes (δ18O, δD) at high frequency (1 s−1) from August 2017 through August 2019. Our resulting record, including derived deuterium-ex…
View article: Precipitation isotope (&#948;&#185;&#8312;O, &#948;&#178;H, d-excess) seasonality across the Pan-Arctic during MOSAiC
Precipitation isotope (δ¹⁸O, δ²H, d-excess) seasonality across the Pan-Arctic during MOSAiC Open
<p>Stable isotopes of oxygen and hydrogen in precipitation (&#948;<sup>18</sup>O<sub>P</sub>, &#948;<sup>2</sup>H<sub>P</sub>, d-excess) are valuable hydrological tracers linked…