Small ponds in headwater catchments
WebSep 27, 2016 · In order to measure these discharges, we placed a measuring facility at the outlet (elevation 1770 m a.s.l.) of a small, rocky headwater catchment (area ∼0.032 km 2, average slope ∼320%) located in the Venetian Dolomites (North Eastern Italian Alps). The facility consists of an approximately rectangular basin, ending with a sharp-crested weir. WebPonds are also a common treatment device for trapping sediment from construction sites and for storm water treatment in urban areas. We defined small ponds as having a dam crest height of <5 m, maximum depth <5 m, surface area …
Small ponds in headwater catchments
Did you know?
WebMar 28, 2024 · In this region, monitoring and research on nutrient dynamics in headwater wetlands is sparse. Our results indicated a significant positive correlation (Pearson coefficient ρ = 0.320) between soluble reactive phosphorus (SRP) in the headwater streams and the percentage of wetlands in these agriculture-dominated catchments.
WebAbstract. Monitoring the isotopic composition (δ 13 C DOC) of dissolved organic carbon (DOC) during flood events can be helpful for locating DOC sources in catchments and quantifying their relative contribution to stream DOC flux.High-resolution ( hourly basis) δ 13 C DOC data were obtained during six successive storm events occurring during the high … WebIf a stricter definition of headwater streams is adopted, including only streams that either drain zero-order basins, are first- or second-order on a map scale of 1 : 24 000 or with catchment areas <100 ha, only three of the 24 studies remain.
WebSep 15, 2024 · Notably, the hilly terrain naturally contains countless lowland ponds in the headwater regions. These spatially-scattered ponds can alter watershed N processes via changes in both runoff and N processing potential. These complex alterations have hindered understanding of pollution processes as well as subsequent policy-making efforts. WebDec 31, 2012 · 2.1. Study Sites. The five headwater lake catchments (Lough Cummeenoughter (CUM), Lough Adanacleveen (ADA), Mullincrick Lough (MUL), Sgilloge Lough (SGI), and Cleevaun Lough (CLE)) were located in upland regions (Figure 1, Table 1) and represented a transboundary network analogous to the atmospheric monitoring …
WebSmall Ponds in Headwater Catchments Are a Dominant Influence on Regional Nutrient and Sediment Budgets 2 Methods. We used water quality, land use, and new small pond and stream data sets to build Spatially Referenced... 3 Results. Small ponds were found to be …
WebOver 300,000 small ponds are collectively responsible for 34%, 69%, and 12% of the mean annual retention of nitrogen, phosphorus, and sediment in the Northeastern United States, … iperbimbo srl thieneWebMar 25, 2024 · This article is a study of headwater catchments and streams that aims at a first morphological typology of such catchments for Corsica island. Such typology offers a base for various studies or assessments regarding, for instance, water management, geological hazards assessments or faunal and/or floral species conservation. Corsica … iper bhopal full formWebNSF Public Access; Search Results; Publisher's Accepted Manuscript: Small Ponds in Headwater Catchments Are a Dominant Influence on Regional Nutrient and Sediment … open wood burning fireplace insertsWebSmall waters bodies are vital for freshwater biodiversity but remain largely overlooked and widely excluded from policies that might protect them. Pingo pond at Stow Bedon Common, Norfolk, UK – one of the country’s most biodiverse freshwater habitats Small waters bodies include headwater streams , springs , ditches, flushes, small lakes and ponds. iperborea stefanssonWebApr 1, 2011 · Headwater wetlands may also confound interpretation, as they are often associated with groundwater (e.g., Cole et al., 1997, Stein et al., 2004), and small forested wetlands have been observed as a factor in headwater stream temperature in response to logging (Kreutzweiser et al., 2009). openwithview nirsoftWebMay 1, 2024 · Previous studies have shown that the ponds in the hilly regions can be responsible for 10-50% of the total N removal in a catchment (Schmadel et al., 2024; … iperbimbo thiene orariWebOver 300,000 small ponds are collectively responsible for 34%, 69%, and 12% of the mean annual retention of nitrogen, phosphorus, and sediment in the Northeastern United States, … open with vscode option not showing