1,169 Homes for Sale in Silver Spring, MD. Browse photos, see new properties, get open house info, and research neighborhoods on Trulia. Click to open Mobile Menu Buy Rent Mortgage Sell Find an Agent More Trulia Blogs Maps by Trulia Real Estate Local Info. Just weeks before the historic encounter of comet C/2013 A1 (Siding Spring) with Mars in October 2014, NASA's Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft entered orbit around the Red Planet. Two NASA and one European spacecraft that obtained the first up-close observations of a comet. Search the world's information, including webpages, images, videos and more. Google has many special features to help you find exactly what you're looking for. Spring (hydrology) - Wikipedia. On an average day nearly 3. US gallons (1,1. 50,0. Big Spring in Missouri at a rate of 4. A spring is any natural situation where water flows from an aquifer to the Earth's surface. It is a component of the hydrosphere. Formation. The groundwater then travels through a network of cracks and fissure. The water eventually emerges from below the surface, in the form of a karst spring. The forcing of the spring to the surface can be the result of a confined aquifer in which the recharge area of the spring water table rests at a higher elevation than that of the outlet. ISpring was awarded the Brandon Hall Gold Medal for Best Advance in Content Authoring Technology 2013 The Brandon Hall Excellence in Learning Technology Awards are presented by Brandon Hall Group, a leading research firm in training and development. Main Projects From configuration to security, web apps to big data – whatever the infrastructure needs of your application may be, there is a Spring Project to help you build it. Start small and use just what you need – Spring is modular by design. Parkgate Marshland Spring, Wirral, England, CH64 6UA Old Quay Close, parkgate CH64 6UA Grassy lane near the entrance to old quay close, 20 metres leads to a. Spring.NET is a port and extension of the Java based Spring Framework for.NET. Spring.NET is an implementation of the Java based Spring Framework. Home Overview Downloads Modules Roadmap Documentation Examples/Tutorial License Older News. Spring for Alexandria has engaged thousands of volunteers and raised hundreds of thousands of dollars for Alexandria-based charities. This event has become central to our community’s springtime culture, and a model of businesses, nonprofits, neighbors. During spring, the axis of the Earth is increasing its tilt relative to the Sun, and the length of daylight rapidly increases for the relevant hemisphere. The hemisphere begins to warm significantly causing new plant growth to 'spring forth,' giving the season its name. Spring water forced to the surface by elevated sources are artesian wells. This is possible even if the outlet is in the form of a 3. In this case the cave is used like a hose by the higher elevated recharge area of groundwater to exit through the lower elevation opening. Non- artesian springs may simply flow from a higher elevation through the earth to a lower elevation and exit in the form of a spring, using the ground like a drainage pipe. Still other springs are the result of pressure from an underground source in the earth, in the form of volcanic activity. The result can be water at elevated temperature such as a hot spring. The action of the groundwater continually dissolves permeable bedrock such as limestone and dolomite, creating vast cave systems. The term seep refers to springs with small flow rates in which the source water has filtered through permeable earth. Fracture springs, discharge from faults, joints, or fissures in the earth, in which springs have followed a natural course of voids or weaknesses in the bedrock. Tubular springs, in which the water flows from underground caverns. Spring discharge, or resurgence, is determined by the spring's recharge basin. Factors that affect the recharge include the size of the area in which groundwater is captured, the amount of precipitation, the size of capture points, and the size of the spring outlet. Water may leak into the underground system from many sources including permeable earth, sinkholes, and losing streams. In some cases entire creeks seemingly disappear as the water sinks into the ground via the stream bed. Grand Gulf State Park in Missouri is an example of an entire creek vanishing into the groundwater system. The water emerges 9 miles (1. Mammoth Spring in Arkansas. Human activity may also affect a spring's discharge- -withdrawal of groundwater reduces the water pressure in an aquifer, decreasing the volume of flow. The largest springs are called . Some locations contain many first- magnitude springs, such as Florida where there are at least 2. Missouri and Arkansas. Ozarks, which contain 1. The scale for spring flow is as follows: Magnitude. Flow (ft. This may give the water flavor and even carbon dioxide bubbles, depending on the nature of the geology through which it passes. This is why spring water is often bottled and sold as mineral water, although the term is often the subject of deceptiveadvertising. Springs that contain significant amounts of minerals are sometimes called 'mineral springs'. Many resorts have developed around mineral springs and are known as spa towns. Water from springs is usually clear. However some springs may be colored by the minerals that are dissolved in the water. For instance, water heavy with iron or tannins will have an orange color. Groundwater tends to maintain a relatively long- term average temperature of its aquifer; so flow from a spring may be cooler than a summer day, but remain unfrozen in the winter. The cool water of a spring and its branch may harbor species such as certain trout that are otherwise ill- suited to a warmer local climate. Springs have been used for a variety of human needs including drinking water, domestic water supply, irrigation, mills, navigation, and electricity generation. Other modern uses include recreational activities such as fishing, swimming, and floating; therapy; water for livestock; fish hatcheries; and supply for bottled mineral water. Sacred springs. In medieval Europe, holy wells were frequently pagan sacred sites that later became Christianized. This can take the form of a particular name, an associated legend, the attribution of healing qualities to the water through the numinous presence of its guardian spirit or Christian saint, or a ceremony or ritual centred on the well site. In Christian legend, the spring water is often said to have been made to flow by the action of a saint, a familiar theme especially in the hagiography of Celtic saints. Notable springs. Geological Survey and Missouri Department of Conservation, 1. Cohen, Stan (Revised 1. Springs of the Virginias: A Pictorial History, Charleston, West Virginia: Quarrier Press.
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