National framework for ranking lakes by potential for anthropogenic hydro-alteration

Lakes face multiple anthropogenic pressures that can substantially alter their hydrology. Dams and land use in the watershed (e.g., irrigated agriculture) can modify lake water regimes beyond natural ranges, and changing climate may exacerbate anthropogenic stresses on lake hydrology. However, we la...

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Autores principales:	C. Emi Fergus, J. Renée Brooks, Philip R. Kaufmann, Amina I. Pollard, Alan T. Herlihy, Steven G. Paulsen, Marc H. Weber
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Lake water balance Water-level fluctuations Anthropogenic stressors Regional and national assessments Hydrologic alteration indicator Ecology QH540-549.5
Acceso en línea:	https://doaj.org/article/cc6ed1a2d5c64da2a9b167f71e2c1ab1
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spelling	oai:doaj.org-article:cc6ed1a2d5c64da2a9b167f71e2c1ab12021-12-01T04:40:07ZNational framework for ranking lakes by potential for anthropogenic hydro-alteration1470-160X10.1016/j.ecolind.2020.107241https://doaj.org/article/cc6ed1a2d5c64da2a9b167f71e2c1ab12021-03-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S1470160X20311808https://doaj.org/toc/1470-160XLakes face multiple anthropogenic pressures that can substantially alter their hydrology. Dams and land use in the watershed (e.g., irrigated agriculture) can modify lake water regimes beyond natural ranges, and changing climate may exacerbate anthropogenic stresses on lake hydrology. However, we lack cost-effective indicators to quantify anthropogenic hydrologic alteration potential in lakes at regional and national extents. We developed a framework to rank lakes by the potential for dams and land use to alter lake hydrology (HydrAP) that can be applied at a national scale. The HydrAP framework principles are that 1) dams are primary drivers of lake hydro-alteration, 2) land use activities are secondary drivers that alter watershed hydrology, and 3) topographic relief limits where land use and dams are located on the landscape. We ranked lakes in the United States Environmental Protection Agency National Lakes Assessment (NLA) on a HydrAP scale from zero to seven, where a zero indicates lakes with no potential for anthropogenic hydro-alteration, and a seven indicates large dams and/or intensive land use with high potential to alter lake hydrology. We inferred HydrAP population distributions in the conterminous US (CONUS) using the NLA probabilistic weights. Half of CONUS lakes had moderate to high hydro-alteration potential (HydrAP ranks 3–7), the other half had minimal to no hydro-alteration potential (HydrAP ranks 0–2). HydrAP ranks generally corresponded with natural and man-made lake classes, but >15% of natural lakes had moderate to high HydrAP ranks and ~10% of man-made lakes had low HydrAP ranks. The Great Plains, Appalachians, and Coastal Plains had the largest percentages (>50%) of high HydrAP lakes, and the West and Midwest had the lowest percentages (~30%). Water residence time (τ) and water-level change were associated with HydrAP ranks, demonstrating the framework’s intended ability to differentiate anthropogenic stressors that can alter lake hydrology. High HydrAP lakes had shorter τ in all ecoregions, but HydrAP relationships with water-level change varied by ecoregion. In the West and Appalachians, high HydrAP lakes experienced excessive water-level declines compared to low-ranked lakes. In contrast, high HydrAP lakes in the Great Plains and Midwest showed stable water levels compared to low-ranked lakes. These differences imply that water management in western and eastern mountainous regions may result in large water-level fluctuations, but water management in central CONUS may promote water-level stabilization. The HydrAP framework, using accessible national datasets can support large-scale lake assessments and be adapted to specific locations where data are available.C. Emi FergusJ. Renée BrooksPhilip R. KaufmannAmina I. PollardAlan T. HerlihySteven G. PaulsenMarc H. WeberElsevierarticleLake water balanceWater-level fluctuationsAnthropogenic stressorsRegional and national assessmentsHydrologic alteration indicatorEcologyQH540-549.5ENEcological Indicators, Vol 122, Iss , Pp 107241- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Lake water balance Water-level fluctuations Anthropogenic stressors Regional and national assessments Hydrologic alteration indicator Ecology QH540-549.5
spellingShingle	Lake water balance Water-level fluctuations Anthropogenic stressors Regional and national assessments Hydrologic alteration indicator Ecology QH540-549.5 C. Emi Fergus J. Renée Brooks Philip R. Kaufmann Amina I. Pollard Alan T. Herlihy Steven G. Paulsen Marc H. Weber National framework for ranking lakes by potential for anthropogenic hydro-alteration
description	Lakes face multiple anthropogenic pressures that can substantially alter their hydrology. Dams and land use in the watershed (e.g., irrigated agriculture) can modify lake water regimes beyond natural ranges, and changing climate may exacerbate anthropogenic stresses on lake hydrology. However, we lack cost-effective indicators to quantify anthropogenic hydrologic alteration potential in lakes at regional and national extents. We developed a framework to rank lakes by the potential for dams and land use to alter lake hydrology (HydrAP) that can be applied at a national scale. The HydrAP framework principles are that 1) dams are primary drivers of lake hydro-alteration, 2) land use activities are secondary drivers that alter watershed hydrology, and 3) topographic relief limits where land use and dams are located on the landscape. We ranked lakes in the United States Environmental Protection Agency National Lakes Assessment (NLA) on a HydrAP scale from zero to seven, where a zero indicates lakes with no potential for anthropogenic hydro-alteration, and a seven indicates large dams and/or intensive land use with high potential to alter lake hydrology. We inferred HydrAP population distributions in the conterminous US (CONUS) using the NLA probabilistic weights. Half of CONUS lakes had moderate to high hydro-alteration potential (HydrAP ranks 3–7), the other half had minimal to no hydro-alteration potential (HydrAP ranks 0–2). HydrAP ranks generally corresponded with natural and man-made lake classes, but >15% of natural lakes had moderate to high HydrAP ranks and ~10% of man-made lakes had low HydrAP ranks. The Great Plains, Appalachians, and Coastal Plains had the largest percentages (>50%) of high HydrAP lakes, and the West and Midwest had the lowest percentages (~30%). Water residence time (τ) and water-level change were associated with HydrAP ranks, demonstrating the framework’s intended ability to differentiate anthropogenic stressors that can alter lake hydrology. High HydrAP lakes had shorter τ in all ecoregions, but HydrAP relationships with water-level change varied by ecoregion. In the West and Appalachians, high HydrAP lakes experienced excessive water-level declines compared to low-ranked lakes. In contrast, high HydrAP lakes in the Great Plains and Midwest showed stable water levels compared to low-ranked lakes. These differences imply that water management in western and eastern mountainous regions may result in large water-level fluctuations, but water management in central CONUS may promote water-level stabilization. The HydrAP framework, using accessible national datasets can support large-scale lake assessments and be adapted to specific locations where data are available.
format	article
author	C. Emi Fergus J. Renée Brooks Philip R. Kaufmann Amina I. Pollard Alan T. Herlihy Steven G. Paulsen Marc H. Weber
author_facet	C. Emi Fergus J. Renée Brooks Philip R. Kaufmann Amina I. Pollard Alan T. Herlihy Steven G. Paulsen Marc H. Weber
author_sort	C. Emi Fergus
title	National framework for ranking lakes by potential for anthropogenic hydro-alteration
title_short	National framework for ranking lakes by potential for anthropogenic hydro-alteration
title_full	National framework for ranking lakes by potential for anthropogenic hydro-alteration
title_fullStr	National framework for ranking lakes by potential for anthropogenic hydro-alteration
title_full_unstemmed	National framework for ranking lakes by potential for anthropogenic hydro-alteration
title_sort	national framework for ranking lakes by potential for anthropogenic hydro-alteration
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/cc6ed1a2d5c64da2a9b167f71e2c1ab1
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National framework for ranking lakes by potential for anthropogenic hydro-alteration

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