Development of an Integrated Modelling System for Evaluating Water Quantity and Quality Effects of Individual Wetlands in an Agricultural Watershed

Liu, Yongbo; Yang, Wanhong; Shao, Hui; Yu, Zhiqiang; Lindsay, John B.

doi:10.3390/w10060774

Cited by 11 publications

(7 citation statements)

References 25 publications

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“…We know a lot about individual wetland processes, and this knowledge has been integrated into individual wetland, or plot-scale, models. In fact, marked refinements have been made in recent years in simulating individual wetland nutrient biogeochemistry. , However, most watershed models have limited capacity to simulate both nutrient cycling in multiple NFWs across the landscape and the hydrological transport processes that link nutrient fluxes from NFWs to other surface waters , in part because of the complexity and variability of these processes.…”

Section: Nfws and Watershed-scale Nutrients: What We Are Missing And Whymentioning

confidence: 99%

“…NFWs therefore typically remain disregarded in watershedscale modeling efforts, and they are only now beginning to be directly implemented into model simulations 17,83 particularly for water quality. 80 Previously, in rare cases where wetlands were considered in a process-based model, NFWs were grouped with floodplain wetlands or spatially aggregated (lumped) by watershed, e.g., as with the soil and water assessment tool (SWAT) model. This limitation has been emphasized in recent work that makes advances toward direct, spatially explicit integration of NFWs into watershed models for water quantity simulations.…”

Section: ■ Introductionmentioning

confidence: 99%

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Non-floodplain Wetlands Affect Watershed Nutrient Dynamics: A Critical Review

Golden

Rajib

Lane

et al. 2019

Environ. Sci. Technol.

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Wetlands have the capacity to retain nitrogen and phosphorus and are thereby often considered a viable option for improving water quality at local scales. However, little is known about the cumulative influence of wetlands outside of floodplains, i.e., non-floodplain wetlands (NFWs), on surface water quality at watershed scales. Such evidence is important to meet global, national, regional, and local water quality goals effectively and comprehensively. In this critical review, we synthesize the state of the science about the watershed-scale effects of NFWs on nutrient-based (nitrogen, phosphorus) water quality. We further highlight where knowledge is limited in this research area and the challenges of garnering this information. On the basis of previous wetland literature, we develop emerging concepts that assist in advancing the science linking NFWs to watershed-scale nutrient conditions. Finally, we ask, “Where do we go from here?” We address this question using a 2-fold approach. First, we demonstrate, via example model simulations, how explicitly considering NFWs in watershed nutrient modeling changes predicted nutrient yields to receiving waters–and how this may potentially affect future water quality management decisions. Second, we outline research recommendations that will improve our scientific understanding of how NFWs affect downstream water quality.

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Section: Nfws and Watershed-scale Nutrients: What We Are Missing And Whymentioning

confidence: 99%

Section: ■ Introductionmentioning

confidence: 99%

Non-floodplain Wetlands Affect Watershed Nutrient Dynamics: A Critical Review

Golden

Rajib

Lane

et al. 2019

Environ. Sci. Technol.

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“…The entire watershed, including all the study wetlands, was subdivided into contributing areas for each unique wetland basin, intact or drained using procedures similar to those outlined by McCauley and Anteau [71]. Contributing area delineations were accomplished using open-source GIS software package Whitebox Geospatial Analysis Tools (GAT) [72], which performs better than the ArcHydro package for "closed basin" systems like prairie-pothole wetlands [73]. Digital Elevation data used to delineate contributing areas were derived from LiDAR-collected 1/9 arc second (three-meter) DEM from the National elevation dataset [74].…”

Section: Wetland and Catchment Delineationmentioning

confidence: 99%

Synergistic Interaction of Climate and Land-Use Drivers Alter the Function of North American, Prairie-Pothole Wetlands

et al. 2019

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Prairie-pothole wetlands provide the critical habitat necessary for supporting North American migratory waterfowl populations. However, climate and land-use change threaten the sustainability of these wetland ecosystems. Very few experiments and analyses have been designed to investigate the relative impacts of climate and land-use change drivers, as well as the antagonistic or synergistic interactions among these drivers on ecosystem processes. Prairie-pothole wetland water budgets are highly dependent on atmospheric inputs and especially surface runoff, which makes them especially susceptible to changes in climate and land use. Here, we present the history of prairie-pothole climate and land-use change research and address the following research questions: 1) What are the relative effects of climate and land-use change on the sustainability of prairie-pothole wetlands? and 2) Do the effects of climate and land-use change interact differently under different climatic conditions? To address these research questions, we modeled 25 wetland basins and measured the response of the lowest wetland in the watershed to wetland drainage and climate variability. We found that during an extremely wet period (1993)(1994)(1995)(1996)(1997)(1998)(1999)(2000) wetland drainage decreased the time at which the lowest wetland reached its spill point by four years, resulting in 10 times the amount of water spilling out of the watershed towards local stream networks. By quantifying the relative effects of both climate and land-use drivers on wetland ecosystems our findings can help managers cope with uncertainties about flooding risks and provide insight into how to manage wetlands to restore functionality.Sustainability 2019, 11, 6581 2 of 20 and biological (e.g., vegetation and aquatic macroinvertebrate communities) variables of interest in areas where vulnerable wetlands that have been well documented as a "disappearing ecosystem" [4].The Prairie Pothole Region (PPR) covers approximately 777,000 km 2 of the North American midcontinent (Figure 1). Over half of the historical wetlands in the PPR have been drained, and conversion of upland areas to crops has altered wetland functioning and the ecosystem services provided by wetlands [5]. Millions of small, glacially derived wetlands that provide critical habitat for migratory waterfowl [5] and other wetland-dependent species [6,7] occur in the PPR, making it a continentally significant region for biodiversity [8]. The wetlands of the PPR also provide additional ecosystem services such as floodwater storage, sediment reduction, water-quality improvement [9], and carbon sequestration [10]. The need to tease apart the complexity caused by interactions between climate and land-use change drivers and how they affect biodiversity, in general, has been recently established as a pressing research priority for ecosystem scientists and land managers [2]. Understanding the relative impacts of climate and land-use change on wetland hydrology is critical for developing land-management strategies...

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“…Geographic Information Systems (GIS) have become widely used because inventory and spatial analysis of water and land resources in river basins require obtaining, storing, and simultaneously processing a wide range of quantitative data and visualizing spatial data [40][41][42][43][44][45]. Multivariate statistics and neural network technologies are promising for a comprehensive analysis, assessment of series heterogeneity, determination of spatiotemporal patterns of formation, and synchronization of the dynamics of river water flow and soil erosion [46][47][48][49][50][51].…”

Section: Introductionmentioning

confidence: 99%

Basin-Scale Approach to Integration of Agro- and Hydroecological Monitoring for Sustainable Environmental Management: A Case Study of Belgorod Oblast, European Russia

et al. 2022

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The quantitative and qualitative depletion of water resources (both surface and groundwater) is closely related to the need to protect soils against degradation, rationalization of land use, and regulation of surface water runoff within the watershed area. Belgorod Oblast (27,100 km2), one of the administrative regions of European Russia, was chosen as the study area. It is characterized by a high activity of soil erosion (the share of eroded soils is about 48% of the total area of arable land). The development phase of the River Basin Environmental Management Projects (217 river basins from the fourth to seventh order) allowed for the proceeding of the development of an integrated monitoring system for river systems and river basin systems. The methods used to establish a geoecological network for regional monitoring include the selection and application of GIS techniques to quantify the main indicators of ecological state and predisposition of river basins to soil erosion (the share of cropland and forestland, the share of the south-oriented slopes, soil erodibility, Slope Length and Steepness (LS) factor, erosion index of precipitation, and the river network density) and the method of a hierarchical classification of cluster analysis for the grouping of river basins. An approach considering the typology of river basins is also used to expand the regional network of hydrological gauging stations to rationalize the national hydrological monitoring network. By establishing 16 additional gauging stations on rivers from the fourth to seventh order, this approach allows for an increase in the area of hydro-agroecological monitoring by 1.26 times (i.e., up to 77.5% of the total area of Belgorod Oblast). Some integrated indicators of agroecological (on the watershed surface) and hydroecological (in river water flow) monitoring are proposed to improve basin environmental management projects. Six-year monitoring showed the effectiveness of water quality control measures on an example of a decrease in the concentrations of five major pollutants in river waters.

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Development of an Integrated Modelling System for Evaluating Water Quantity and Quality Effects of Individual Wetlands in an Agricultural Watershed

Cited by 11 publications

References 25 publications

Non-floodplain Wetlands Affect Watershed Nutrient Dynamics: A Critical Review

Non-floodplain Wetlands Affect Watershed Nutrient Dynamics: A Critical Review

Synergistic Interaction of Climate and Land-Use Drivers Alter the Function of North American, Prairie-Pothole Wetlands

Basin-Scale Approach to Integration of Agro- and Hydroecological Monitoring for Sustainable Environmental Management: A Case Study of Belgorod Oblast, European Russia

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