Depressional wetlands affect watershed hydrological, biogeochemical, and ecological functions

Evenson, Grey R.; Golden, Heather E.; Lane, Charles R.; McLaughlin, Daniel L.; D’Amico, Ellen

doi:10.1002/eap.1701

Cited by 107 publications

(124 citation statements)

References 67 publications

(177 reference statements)

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“…; Evenson et al. ). Generally, there is both an inverse relationship between model fidelity and generalizability (Harvey ).…”

Section: Representing Wetland Connectivity In Process‐based Modelingmentioning

confidence: 98%

“…NFW connectivity varies over time and space (Evenson et al. ), and when considered at watershed scale, NFW connectivity can influence watershed hydrology and downstream flows, with associated influences on biogeochemical (e.g., Cheng and Basu ) and biological (e.g., Zamberletti et al. ) function and condition.…”

Section: Characterizing Hydrologic Connectivity Of Non‐floodplain Wetmentioning

confidence: 99%

“…These empirical studies then informed modeling studies that examined variability and drivers of hydrologic fluxes at the watershed scale and, importantly, how different scenarios of wetland loss (and restoration) may impact the watershed and downstream hydrology (e.g., Evenson et al. ; Neff and Rosenberry ). Specifically, scenarios of wetland loss (and restoration) may impact watershed and downstream hydrologic flows, aquatic habitat provisioning, and water residence times (e.g., Evenson et al.…”

Section: Characterizing Hydrologic Connectivity Of Non‐floodplain Wetmentioning

confidence: 99%

“…Specifically, scenarios of wetland loss (and restoration) may impact watershed and downstream hydrologic flows, aquatic habitat provisioning, and water residence times (e.g., Evenson et al. ; Neff and Rosenberry ). Similarly in the Canadian portion of the Prairie Pothole Region, Ameli and Creed () used a combination of empirical measurements and hydrologic modeling to investigate the loss of NFW connectivity and its impact on water age and downstream baseflow.…”

Section: Characterizing Hydrologic Connectivity Of Non‐floodplain Wetmentioning

confidence: 99%

“…), and an updated version of the model has been used in two watersheds in the Prairie Pothole Region (Evenson et al. ; Muhammad et al. ).…”

Section: Case Studies: Integrating Wetland Connectivity Into Process‐mentioning

confidence: 99%

See 4 more Smart Citations

Modeling Connectivity of Non‐floodplain Wetlands: Insights, Approaches, and Recommendations

Jones

Ameli

Neff

et al. 2019

J American Water Resour Assoc

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Representing hydrologic connectivity of non‐floodplain wetlands (NFWs) to downstream waters in process‐based models is an emerging challenge relevant to many research, regulatory, and management activities. We review four case studies that utilize process‐based models developed to simulate NFW hydrology. Models range from a simple, lumped parameter model to a highly complex, fully distributed model. Across case studies, we highlight appropriate application of each model, emphasizing spatial scale, computational demands, process representation, and model limitations. We end with a synthesis of recommended “best modeling practices” to guide model application. These recommendations include: (1) clearly articulate modeling objectives, and revisit and adjust those objectives regularly; (2) develop a conceptualization of NFW connectivity using qualitative observations, empirical data, and process‐based modeling; (3) select a model to represent NFW connectivity by balancing both modeling objectives and available resources; (4) use innovative techniques and data sources to validate and calibrate NFW connectivity simulations; and (5) clearly articulate the limits of the resulting NFW connectivity representation. Our review and synthesis of these case studies highlights modeling approaches that incorporate NFW connectivity, demonstrates tradeoffs in model selection, and ultimately provides actionable guidance for future model application and development.

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“…; Evenson et al. ). Generally, there is both an inverse relationship between model fidelity and generalizability (Harvey ).…”

Section: Representing Wetland Connectivity In Process‐based Modelingmentioning

confidence: 98%

Section: Characterizing Hydrologic Connectivity Of Non‐floodplain Wetmentioning

confidence: 99%

Section: Characterizing Hydrologic Connectivity Of Non‐floodplain Wetmentioning

confidence: 99%

Section: Characterizing Hydrologic Connectivity Of Non‐floodplain Wetmentioning

confidence: 99%

“…), and an updated version of the model has been used in two watersheds in the Prairie Pothole Region (Evenson et al. ; Muhammad et al. ).…”

Section: Case Studies: Integrating Wetland Connectivity Into Process‐mentioning

confidence: 99%

See 3 more Smart Citations

Modeling Connectivity of Non‐floodplain Wetlands: Insights, Approaches, and Recommendations

Jones

Ameli

Neff

et al. 2019

J American Water Resour Assoc

Self Cite

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Inundation and nutrient assessment of farmed prairie potholes during a cropping season with high precipitation

Tirtalistyani,

Rempe,

Long

et al. 2024

Agrosystems Geosci & Env

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Enclosed topographical depressions that retain water intermittently are abundant across the prairie pothole region of the United States. These depressional wetlands (potholes) are located at local minimum elevations with small contributing micro‐watersheds. These features are often located in areas where the primary land use is row crop agriculture; thus subsurface tile drainage has been implemented to improve crop production and field accessibility. However, even with drainage improvements, farmed potholes still tend to retain water during high precipitation periods. This study monitored 10 farmed potholes in 2018, a year with 32% more precipitation than the 30‐year average. Potholes were inundated between 12% and 81% of the monitored growing season; the highest inundation percentage occurred in a pothole without surface intakes. Nutrient concentrations in 2018 were lower on average than previously reported for the same potholes, possibly due to higher precipitation and less fertilizer applied because most of the potholes were in soybeans rather than corn. Total nitrogen and nitrate‐N median concentrations were 16.71 and 14.82 mg N L−1 lower (p‐value < 0.0001) during the early season (May 15–July 7) than concentrations in 2016–2017. Total phosphorus and dissolved reactive P median concentrations, conversely, were slightly but significantly lower during the late season (July 8–November 1) with 0.15 and 0.13 mg P L−1 difference (p‐value < 0.01), respectively. Observed DRP concentrations increased by 63% during multiday inundation periods. Our monitoring results suggest during seasons of heavy precipitation, farmed potholes might act as hotspots, contributing elevated levels of P to downstream waters.

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Forest restoration increases isolated wetland hydroperiod: a long‐term case study

et al. 2021

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Geographically isolated wetlands (GIWs) are well known as "hotspots" for biodiversity and other ecosystem services, making their value on landscapes disproportionate to the area they occupy. GIWs are dependent on regular cycles of inundation and drying, which makes hydrology a primary controlling variable for sustaining functions and associated ecosystem services. Although human activity has degraded GIWs in many regions, relatively little work has focused on upland management as a way of sustaining, or even improving, GIW structure and function. We present a case study of longleaf pine forest restoration, by hardwood removal, on the characteristics of a wetland hydroperiod over a 10-year study. Our study wetland, W-51, is 0.89 ha with a catchment area of 31.2 ha located on a~11,400-ha private preserve in Baker County, Georgia (31.250°N, 84.495°W). Beginning in 2006, continuous water level and climate data were recorded in the wetland and adjacent well transects across the wetland catchment. In autumn 2009, hardwoods were removed or deadened in the catchment resulting in a 37% reduction in tree cover. The effects on the hydrologic system were measured through 2016 by examining pre-and post-removal water levels, water yield ecosystem (WYe), and standardized recession rates (RR std ). The study included periods of above and below normal rainfall. Generally, wetland hydroperiods began in December and ended in May, but varied with rainfall pattern and amount. Hardwood removal increased WYe and decreased RR std resulting in greater catchment water availability as reflected in water levels. Hardwood removal affected both the ascending and recessing limbs of wetland hydroperiods, substantially increasing the availability of ponded water in the wetland. Our results quantify changes in wetland hydrologic characteristics associated with forest management activities, which appear to have reduced forest water demand. Our study was a management case study, limited in scope but conducted in a realistic setting. More extensive studies (paired, replicated designs) are needed to better understand the implications at both the local scale, that is, managing critical aquatic habitat for wildlife populations, and at the regional scale, that is, providing support for landscape-scale connectivity and water yields.

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Depressional wetlands affect watershed hydrological, biogeochemical, and ecological functions

Cited by 107 publications

References 67 publications

Modeling Connectivity of Non‐floodplain Wetlands: Insights, Approaches, and Recommendations

Modeling Connectivity of Non‐floodplain Wetlands: Insights, Approaches, and Recommendations

Inundation and nutrient assessment of farmed prairie potholes during a cropping season with high precipitation

Forest restoration increases isolated wetland hydroperiod: a long‐term case study

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