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River Network Articles & Analysis
55 articles found
Overview Since 1999, the National Park Service has conducted long-term ecological monitoring designed to identify and monitor conditions of their highest priority natural resources. The Eastern Rivers and Mountains Network is one of 32 networks formed to implement this integrated monitoring program which is tailored to specific needs of parks ...
Case Question Our Zambian customer left a message on Google telling us that he needed to buy geomembrane pond liners for fish ponds and asked about the price of geomembrane pond liners. In Zambia, there are many rivers, a dense water network, and abundant hydraulic resources, so it is very suitable for the development of aquaculture. ...
Denver Water is Colorado’s oldest and largest public water utility in the state and with its vast network of pipelines, reservoirs, rivers, and treatment plants, it serves approximately 300 square miles. ...
According to its source, it can be divided into: municipal sludge, pipe network sludge, river and lake sludge, and industrial sludge. The pollutants contained in the sludge generally have a high calorific value, but due to the presence of a large amount of water, this part of the calorific value cannot be used. ...
Background For the past two decades, digital mapping companies have been creating incredibly detailed maps, from vast river networks and mountain ranges, right down to street furniture and local business information. ...
ByEsri
Pickard Environmental Centre (ROPEC) is located in the east end of the city, right next to the Ottawa River. Using an extensive sewer network, it collects all wastewater from urban and industrial areas between Stittsville, Orleans and Manotick. ...
Using 15N stable isotope as a tracer to quantify N transformation rates in isotope-enrichment experiments improves understanding of the N cycle in various ecosystems. However, measuring 15N-nitrate (15NO3–) in small volumes of water for these experiments is a major challenge due to the inconvenience of preparing samples by traditional techniques. Lin et al. (2021) developed a ...
In broad terms data locations are referred to as: Source –the dam, river or treatment plant Network –pump stations, pipes and reservoirs that distribute water throughout rural and urban landscapes Household (end-use) – Data collected by smart meters at properties ...
This will include an unmanned maritime testing ground, automatic mooring terminals, maritime communications and network security and other infrastructure to meet different types of unmanned testing needs and provide data and operational support for future unmanned shipping. ...
And that matters because glaciers in the country’s western regions are the source for a network of rivers which supply drinking water to an estimated 1.8 billion people according to the Asia Times. ...
Rainwater can be discharged directly to the river through the rainwater pipe network; the sewage needs to be collected by the sewage pipe network and sent to the sewage treatment plant for treatment. After the water quality is qualified, it can be discharged into the river channel, so as to avoid pollution of the ...
The simulation results provide a scientific basis for the water quality improvement and ecological water supplement required for the interconnected river–lake system network (IRLSN) in Western Jilin Province. ...
The Mekong River Commission Secretariat (MRCS) is a Basin Management Organization formed through the joint-cooperation of Cambodia, Lao PDR, Thailand and Vietnam. ...
As urbanization has accelerated, the form of river and lake systems has changed greatly in cities, which has caused variations in the functioning of the interconnected river system network (IRSN). ...
Excess nitrogen in urban river networks leading to eutrophication has become one of the most urgent environmental problems. Combinations of different aeration and biofilm techniques was designed to remove nitrogen from rivers. In laboratory water tank simulation experiments, we assessed the removal efficiency of nitrogen in both the overlying ...
We have conducted a regional scale risk assessment using the Bayesian Network Relative Risk Model (BN‐RRM) to calculate the ecological risks to the South River and upper Shenandoah River study area. Four biological endpoints (smallmouth bass, white sucker, Belted Kingfisher and Carolina Wren) and four abiotic endpoints (Fishing ...
In recognition of this importance, the Scottish Government has prioritised developing a robust national river temperature monitoring network. Advances in geographical information systems, spatial statistics and field data loggers make large-scale river temperature monitoring increasingly possible. However, duplication of environmental and thermal ...
In this research, a novel hybrid model which combines continuity equation and fuzzy pattern-recognition concept with artificial neural network (ANN), is presented for downstream river discharge forecasting in a river network. Time-varying water storage in a river station and fuzzy feature of ...
Understanding the spatial and temporal variability of nitrogen load and characteristics of retention along a river network is important for land management and water resources protection. ...
In this paper, models of rainfall/runoff, non-point source pollution load, water quantity/quality, and dynamic pollutant-carrying capacity were established to simulate the water quantity/quality of Xixi-wetland river network (in the Taihu basin, China). The simulation results showed a satisfactory agreement with field observations. Furthermore, a ...