Chloride load dynamics along channelized and intact reaches in a northeastern United States urban headwater stream DOI Creative Commons
J. R. Slosson, Laura K. Lautz, Julio Beltran

et al.

Environmental Research Letters, Journal Year: 2021, Volume and Issue: 16(2), P. 025001 - 025001

Published: Jan. 5, 2021

Abstract Sodium chloride has long been used for winter deicing, although its legacy use resulted in rising concentrations urban watersheds. Persistently high levels impair drinking water resources and threaten the health of aquatic life vegetation. In areas, fate transport is impacted by human modification environment, including increased impervious surface cover disconnection stream corridors from riparian groundwater. We couple continuous streamflow records with weekly concentration data over two years to create load estimates at three locations along a degraded, upstate New York contrasting channelized intact reaches. Our results show that degraded reaches characterized channelized, armored banks minimal groundwater connection deliver loads closer application rates surrounding watershed. contrast, stream–groundwater interactions adjacent floodplains, losses subsurface flow paths, result are 50% less than those delivered upstream These findings longitudinal channel can be valuable identifying timing magnitude sources sinks, which may common but apparent environments.

Language: Английский

Analysis of Large-Scale Groundwater-Driven Cooling Zones in Rivers Using Thermal Infrared Imagery and Radon Measurements DOI Open Access

Milad Fakhari,

Jasmin Raymond, Richard Martel

et al.

Water, Journal Year: 2023, Volume and Issue: 15(5), P. 873 - 873

Published: Feb. 24, 2023

The role of groundwater (GW) discharge on surface water (SW) quantity, quality and temperature is known to be important. Moreover, the effect GW contributions river thermal budgets critical in natural rivers considering that plays a vital fish survival during extreme heat events. identification zones with input can, thus, help management plans. However, detecting these at watershed scale can challenge. This work combines infrared (TIR) imagery sampling for radon measurements better documentation rivers. Sainte-Marguerite Berard Rivers, both located Quebec, Canada, are their abundance salmonids. Their profiles were plotted using TIR imagery, five cooling River two identified which notable GW–SW exchange was suspected cause. Radon concentrations measured within showed clear contribution SW. an effective fast way identify seepage scale. used as complementary tracer finer scales. combination methods shown reliable anticipation effects plans deal waves predicted occur more frequently under future climate change scenarios.

Language: Английский

Citations

3

Characterization of contrasting flow and thermal regimes in two adjacent subarctic alpine headwaters in Northwest Canada DOI
Luca Fabris,

Ryan L. Rolick,

Barret L. Kurylyk

et al.

Hydrological Processes, Journal Year: 2020, Volume and Issue: 34(15), P. 3252 - 3270

Published: April 25, 2020

Abstract Alpine headwaters in subarctic regions are particularly sensitive to climate change, yet there is little information on stream thermal regimes these areas and how they might respond global warming. In this paper, we characterize compare the hydrological of two headwater alpine streams within an empirical framework. The investigated located adjacent catchments with similar geology, size, elevation landscape, Granger Creek (GC) Buckbrush (BB), which part Wolf Research Basin Yukon Territory, Canada. Hydrometeorological high‐resolution temperature data were collected throughout summer 2016. Both sites exhibited a flow regime typical cold influenced by frozen ground permafrost. Comparatively, GC was characterized flashier response more extreme flows, than BB. both sites, highly variable very responsive short‐term changes climatic conditions. On average, BB slightly higher (respectively 5.8 5.7°C), but less (average difference between 75th 25th quantiles 1.6 2.0°C). Regression analysis mean daily air suggested that greater relative (to flow) groundwater contribution could effectively buffer atmospheric fluctuations. Heat fluxes derived utilized assess their energy balance. Overall, non‐advective followed pattern correlated short‐wave radiation. G1enerally, solar radiation latent heat respectively most important source sink, while air–water interface processes major factors driving nighttime

Language: Английский

Citations

8

Primary Drivers of Reptile Overwintering Habitat Suitability: Integrating Wetland Ecohydrology and Spatial Complexity DOI
Chantel E. Markle, Paul Moore, J. M. Waddington

et al.

BioScience, Journal Year: 2020, Volume and Issue: 70(7), P. 597 - 609

Published: May 9, 2020

Abstract Identifying ecosystems resilient to climate and land-use changes is recognized as essential for conservation strategies. However, wetland may respond differently stressors depending on their successional state the strength of ecohydrological feedbacks resulting in fluctuations habitat availability suitability. Long-term suitability necessary persistence wetland-dependent species a key characteristic climatic refugia. In present article, we review synthesize biogeochemical, thermal, ecological, hydrological interactions that operate within wetlands and, consequently, regulate overwintering many freshwater turtles snakes. We propose understanding breadth interconnected nature processes controlling temperature, dissolved oxygen, water table position are vital northern reptile populations depend survive winter conditions. Finally, suggest our integrated framework can guide future research management an era unprecedented change.

Language: Английский

Citations

8

Insights onto Hydrologic and Hydro-Chemical Processes of Riparian Groundwater Using Environmental Tracers in the Highly Disturbed Shaying River Basin, China DOI Open Access
Baoling Li,

Xianfang Song,

Lihu Yang

et al.

Water, Journal Year: 2020, Volume and Issue: 12(7), P. 1939 - 1939

Published: July 8, 2020

Understanding the hydrologic and hydrochemistry processes in riparian area is of great importance for managing protecting water resources. This paper took a highly disturbed polluted Shaying River Basin (SRB) China as study area. In this research, environmental tracers (hydrochemical isotopic data of222Rn, δ18O, δD) corresponding models (two-component mixing model 222Rn mass balance model) were employed to investigate associated hydro-chemical process groundwater. The results indicated that rivers received groundwater discharge located at Xihua (J8), Zhoukou (Y1), Luohe (S2), Shenqiu (SY2), extent with was greater wet seasons than dry seasons. showed flux river leakage 3.27 × 10−4 m3/(s·m) front sluice while 3.50 10−3 during sampling period. cation exchange dissolution/precipitation aquifer minerals (including calcite, dolomite, gypsum, halite) dominated by geochemical processes. untreated sewage fertilizer usage main anthropogenic activities affecting surface Additionally, our found nitrate pollutants derived potential threats quality lower reaches Jialu county River, where inputs could be larger because higher discharge.

Language: Английский

Citations

8

Chloride load dynamics along channelized and intact reaches in a northeastern United States urban headwater stream DOI Creative Commons
J. R. Slosson, Laura K. Lautz, Julio Beltran

et al.

Environmental Research Letters, Journal Year: 2021, Volume and Issue: 16(2), P. 025001 - 025001

Published: Jan. 5, 2021

Abstract Sodium chloride has long been used for winter deicing, although its legacy use resulted in rising concentrations urban watersheds. Persistently high levels impair drinking water resources and threaten the health of aquatic life vegetation. In areas, fate transport is impacted by human modification environment, including increased impervious surface cover disconnection stream corridors from riparian groundwater. We couple continuous streamflow records with weekly concentration data over two years to create load estimates at three locations along a degraded, upstate New York contrasting channelized intact reaches. Our results show that degraded reaches characterized channelized, armored banks minimal groundwater connection deliver loads closer application rates surrounding watershed. contrast, stream–groundwater interactions adjacent floodplains, losses subsurface flow paths, result are 50% less than those delivered upstream These findings longitudinal channel can be valuable identifying timing magnitude sources sinks, which may common but apparent environments.

Language: Английский

Citations

7