watershed effect definition
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- A watershed stroke or watershed infarct is defined as an ischemia, or blood flow blockage, that is localized to the border zones between the territories of two major arteries in the brain.
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Watershed Management A watershed is an area of land in which all of the water that enters it, drains into a common waterbody. Also known as a drainage basin, it can be thought of as a funnel that collects surface water and ground water and drains it into a single stream, lake, ocean, or other reservoir.
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What is Orographic Effects? Orographic means 'associated with the presence of mountains'. Orographic rainfall is rain that occurs as moist air is forced to rise by mountain slopes. It is a common climate … pattern in coastal mountains and mountains in the trade wind latitudes.rographic effect occurs when an air mass approaches a mountain range and is rapidly forced upward, causing any moisture to cool and create precipitation in the form of rain o … r snow.  Quick answer: Rapidly rising air forced up by mountains creates rain or snow.
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The Cascade Effect The Cascade Effect. “An ecological cascade effect is a series of secondary extinctions that is triggered by the primary extinction of a key species in an ecosystem”. (http://en.wikipedia.org/wiki/Cascade_effect_(ecology)). Recently, the removal of apex predators from food chains in certain areas of the world has had a devastating effect on the ecosystem from which it derives, one of the most common predators removed being the shark.
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Watershed Areas of Human Body Watershed Areas of Human Body. Watershed area refers to regions of the body that receive dual blood supply from the most distal branches of two large arteries. During times of blockage of one of the arteries that supply the watershed area, such as in atherosclerosis, these regions are spared from ischemia by virtue of their dual supply.
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What is a watershed? A watershed is an area of land that drains all the streams and rainfall to a common outlet such as the outflow of a reservoir, mouth of a bay, or any point along a stream channel. The word watershed is sometimes used interchangeably with drainage basin or catchment. Ridges and hills that separate two watersheds are called the drainage divide. The watershed consists of surface water--lakes, streams, reservoirs, and wetlands--and all the underlying ground water.
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- A watershed (or drainage basin) is the geographic. area from which water in a particular stream, lake. or estuary originates (Figure 2). All lands in the. watershed drain toward the stream, lake or bay. and contribute pollutants to these waters.
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Watersheds Watersheds. New York's waters (lakes, rivers and streams) fall within one of 17 major watersheds, or drainage basins. A watershed is an area of land that drains water into a specific body of water.Watersheds include networks of rivers, streams, and lakes and the land area surrounding them. Watersheds are separated by high elevation geographic features (mountains, hills, ridges).atersheds. New York's waters (lakes, rivers and streams) fall within one of 17 major watersheds, or drainage basins. A watershed is an area of land that drains water into a specific body of water.
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- When a water drop falls on one side of the ridge, it flows into one watershed, if it falls on the other side, it flows into another watershed. Watersheds can be delineated on a small scale, such as space between hills, or on a macro-scale, such as the Amazon basin.
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What is a watershed? A watershed is an area of land that drains all the streams and rainfall to a common outlet such as the outflow of a reservoir, mouth of a bay, or any point along a stream channel.hen looking at the location of rivers and the amount of streamflow in rivers, the key concept is the river's watershed.
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- A watershed is the area of land that drains into a body of water such as a river, lake, stream or bay. It is separated from other systems by high points in the area such as hills or slopes.
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Watershed management Watershed management is the study of the relevant characteristics of a watershed aimed at the sustainable distribution of its resources and the process of creating and implementing plans, programs, and projects to sustain and enhance watershed functions that affect the plant, animal, and human communities within a watershed boundary.
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Watersheds, flooding & pollution Watersheds and flooding. When water enters the watershed too quickly for the land to absorb it flooding can occur. Floods result from rapid melting of winter snows, severe thunderstorms, tropical storms, and other high precipitation events.
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- Program teaches students connection between river, drinking water. The Racine (10/12). The WATERshed program is an ecology-related field trip that fourth and seventh graders are taking in Racine, Wis., to learn about the Root-Pike watershed s relationship with Lake Michigan. Salmon in Schools a swimming success.
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- Understand a watershed as a system (e.g. a change in one area will affect the. difthti t)dhthttfti. Arizona Water Issues © 2010 The University of Arizona – HWR203. dynamics of the entire system) and how that system functions.
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- Full Definition of WATERSHED. 1. a: divide 2a b: a region or area bounded peripherally by a divide and draining ultimately to a particular watercourse or body of water. 2.: a crucial dividing point, line, or factor: turning point. — watershed adjective.See watershed defined for English-language learners.ull Definition of WATERSHED. 1. a: divide 2a b: a region or area bounded peripherally by a divide and draining ultimately to a particular watercourse or body of water. 2. : a crucial dividing point, line, or factor: turning point. — watershed adjective. See watershed defined for English-language learners.
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What is the difference between a drainage basin and a watershed? Watershed: In the technical sense, a watershed refers to a divide that separates one drainage area from another drainage area. However, in the United States andCanada, the term is often used to mean a drainage basin or catchment area itself.Drainage basins drain into other drainage basins in a hierarchical pattern, with smallersub-drainage basins combining into larger drainage basins. Source(s): http://en.wikipedia.org/wiki/Drainage_ba...owever, in the United States andCanada, the term is often used to mean a drainage basin or catchment area itself. Drainage basins drain into other drainage basins in a hierarchical pattern, with smallersub-drainage basins combining into larger drainage basins. Source(s): http://en.wikipedia.org/wiki/Drainage_ba...
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What is a watershed? It all depends on the outflow point; all of the land that drains water to the outflow point is the watershed for that outflow location. Watersheds are important because the streamflow and the water quality of a river are affected by things, human-induced or not, happening in the land area above the river-outflow point.
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- Watersheds are basically the areas that water flow in order to reach the ocean. For instance, a creek is part of the watershed of the St. Joseph River, which is a part of the … Great Lakes Watershed, that is a part of the St. Lawrance Seaway Watershed which filters into the Atlantic.stuaries are places where it is half salt water and half fresh water it is important because salt water has more minerals and fresh water has more oxygen so it is kind of lik … e the best of both worlds for the animals who live there.
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- A river basin or watershed is high at its edge and low in the center where the river flows. The Bow River basin or watershed includes all the land that feeds water to the Bow River and its tributaries. river basin or watershed is high at its edge and low in the center where the river flows. The Bow River basin or watershed includes all the land that feeds water to the Bow River and its tributaries.
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- A watershed is an area of land that captures rainfall and other precipitation and funnels it to a lake or stream or wetland. The Grand Traverse Bay watershed itself is defined as the area of land that captures rainfall and other precipitation and funnels it to Grand Traverse Bay. The Water Cycle Water, a renewable resource, is continually recycled and returned to the ecosystem through the hydrologic cycle. Moisture is carried into the Great.
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Comprehensive Study finds Widespread Mercury Contamination Across Western North America However, the influence of mining on downstream mercury concentrations is most noticeable in small watersheds, because the amount of mercury from mining in larger watersheds is a fraction of what is contributed by other sources and processes such as atmospheric deposition, land disturbance, and erosion of less contaminated soils.
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watter quality a watershed or drainage basin, is an area of land where water from rain and melting snow or ice drains downhill into a body of water such as a river, lake, reservoir, estuary, wetland, sea, or ocean homeostasis delicate balance
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- The Watershed Texas. The Watershed Texas is an addiction treatment center that specializes in the treatment of drug addiction and alcoholism. Located just 30 miles from Houston, TX, this is an ideal rehab for you or your loved one to recover.
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Watershed Analysis: What, How, Influencing Factors & Applications A watershed is also defined by topographic divides between two or more adjacent catchment basins, such as a ridge or a crest. In simple words watershed is a region of land within which water flows down into a specified body, such as a river, lake, sea, or ocean; a drainage basin.
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Watersheds, flooding & pollution Watersheds, flooding & pollution. Look around you, right now — you are in a watershed. SHARE. The water in your watershed quenches thirst, grows food, washes clothes, and powers industry. However, too much water can cause raging floods and flush pollutants and soil into rivers and streams.