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Chickahominy River
The Chickahominy is an U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map, accessed April 1, 2011 river in the eastern portion of the U.S. state of Virginia. The river, which serves as the eastern border of Charles City County, rises about northwest of Richmond and flows southeast and south to the James River. The river was named after the Chickahominy Indian tribe who lived near the river when it was claimed by English colonists in 1607. Chickahominy descendants live in Charles City County today. During the American Civil War (1861–65), the upper reaches of the river became a major obstacle to Union General George B. McClellan's Peninsula Campaign, a failed attempt in 1862 to capture the Confederate capital of Richmond. Docile, narrow, and relatively easily crossed during dry weather, after periods of rain, the river expands across a flood plain with swamps as much as a mile across. The Chickahominy was in flood stage and div ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chickahominy People
The Chickahominy are a federally recognized tribe of Virginian Native Americans who primarily live in Charles City County, located along the James River midway between Richmond and Williamsburg in the Commonwealth of Virginia. This area of the Tidewater is not far from where they were living in 1600, before the arrival of colonists from England.Wood, Karenne (editor). ''Virginia Indian Heritage Trail,'' Charlottesville, VA: Virginia Foundation for the Humanities, 2007. They were officially recognized by the state in 1983 and by the federal government in January 2018. The Eastern Chickahominy split from the main tribe in 1983 and were recognized as a separate tribe by the state that year, and by the federal government in January 2018. They are based in [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Atlantic Coastal Plain
The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth#Surface, Earth's surface and about 29% of its water surface area. It is known to separate the "Old World" of Africa, Europe and Asia from the "New World" of the Americas in the European perception of Earth, the World. The Atlantic Ocean occupies an elongated, S-shaped basin extending longitudinally between Europe and Africa to the east, and North America, North and South America to the west. As one component of the interconnected World Ocean, it is connected in the north to the Arctic Ocean, to the Pacific Ocean in the southwest, the Indian Ocean in the southeast, and the Southern Ocean in the south (other definitions describe the Atlantic as extending southward to Antarctica). The Atlantic Ocean is divided in two parts, by the Equatorial Counter Current, with the North(ern) Atlantic Ocean and the South(ern) Atlantic Ocean split at about 8th paralle ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chief Powhatan
Powhatan ( c. 1547 – c. 1618), whose proper name was Wahunsenacawh (alternately spelled Wahunsenacah, Wahunsunacock or Wahunsonacock), was the leader of the Powhatan, an alliance of Algonquian-speaking Native Americans living in Tsenacommacah, in the Tidewater region of Virginia at the time when English settlers landed at Jamestown in 1607. Powhatan, alternately called "King" or "Chief" Powhatan by English settlers, led the main political and military power facing the early colonists, and was probably the older brother of Opechancanough, who led attacks against the settlers in 1622 and 1644. He was the father of Matoaka (Pocahontas). Name In 1607, the English colonists were introduced to Wahunsenacawh as Powhatan and understood this latter name to come from Powhatan's hometown near the falls of the James River near present-day Richmond, Virginia.Huber, Margaret Williamson (January 12, 2011)"Powhatan (d. 1618)" [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Jamestown, Virginia
The Jamestown settlement in the Colony of Virginia was the first permanent English settlement in the Americas. It was located on the northeast bank of the James (Powhatan) River about southwest of the center of modern Williamsburg. It was established by the Virginia Company of London as "James Fort" on May 4, 1607 O.S. (May 14, 1607 N.S.), and was considered permanent after a brief abandonment in 1610. It followed several failed attempts, including the Lost Colony of Roanoke, established in 1585 on Roanoke Island, later part of North Carolina. Jamestown served as the colonial capital from 1616 until 1699. Despite the dispatch of more settlers and supplies, including the 1608 arrival of eight Polish and German colonistsJamestowne Rediscovery: A Timeline of Events and References . Ret ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
John Smith (explorer)
John Smith (baptized 6 January 1580 – 21 June 1631) was an English soldier, explorer, colonial governor, Admiral of New England, and author. He played an important role in the establishment of the colony at Jamestown, Virginia, the first permanent English settlement in America, in the early 17th century. He was a leader of the Virginia Colony between September 1608 and August 1609, and he led an exploration along the rivers of Virginia and the Chesapeake Bay, during which he became the first English explorer to map the Chesapeake Bay area. Later, he explored and mapped the coast of New England. He was knighted for his services to Sigismund Báthory, Prince of Transylvania, and his friend Mózes Székely. Jamestown was established on May 14, 1607. Smith trained the first settlers to work at farming and fishing, thus saving the colony from early devastation. He publicly stated, " He that will not work, shall not eat", alluding to 2 Thessalonians 3:10. Harsh weather, lack of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pleistocene
The Pleistocene ( , often referred to as the ''Ice age'') is the geological Epoch (geology), epoch that lasted from about 2,580,000 to 11,700 years ago, spanning the Earth's most recent period of repeated glaciations. Before a change was finally confirmed in 2009 by the International Union of Geological Sciences, the cutoff of the Pleistocene and the preceding Pliocene was regarded as being 1.806 million years Before Present (BP). Publications from earlier years may use either definition of the period. The end of the Pleistocene corresponds with the end of the last glacial period and also with the end of the Paleolithic age used in archaeology. The name is a combination of Ancient Greek grc, label=none, πλεῖστος, pleīstos, most and grc, label=none, καινός, kainós (latinized as ), 'new'. At the end of the preceding Pliocene, the previously isolated North and South American continents were joined by the Isthmus of Panama, causing Great American Interchang ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Estuary
An estuary is a partially enclosed coastal body of brackish water with one or more rivers or streams flowing into it, and with a free connection to the open sea. Estuaries form a transition zone between river environments and maritime environments and are an example of an ecotone. Estuaries are subject both to marine influences such as tides, waves, and the influx of saline water, and to fluvial influences such as flows of freshwater and sediment. The mixing of seawater and freshwater provides high levels of nutrients both in the water column and in sediment, making estuaries among the most productive natural habitats in the world. Most existing estuaries formed during the Holocene epoch with the flooding of river-eroded or glacially scoured valleys when the sea level began to rise about 10,000–12,000 years ago. Estuaries are typically classified according to their geomorphological features or to water-circulation patterns. They can have many different names, such as bays, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Providence Forge, Virginia
Providence Forge is an unincorporated community in New Kent County, Virginia, United States. It was one of the earliest settlements in the county (itself formed by 1654) and the site of a colonial iron forge that was destroyed by British General Banastre Tarleton during the American Revolutionary War. Nearby, the Chickahominy River separates New Kent from Charles City County. U.S. Route 60 and State Route 155 pass through Providence Forge. The Colonial Downs horse-racing facility is located nearby adjacent to the Providence Forge exit of Interstate 64. A station on the Chesapeake and Ohio Railway (C&O) was located at Providence Forge in 1881 during construction of the railroad's new Peninsula Subdivision, which was built primarily to facilitate transportation of West Virginia bituminous coal to the newly created city of Newport News. There, on the harbor of Hampton Roads, coal piers were built to load colliers for worldwide export shipment. The C&O's Peninsula Extension was g ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
New Kent County, Virginia
New Kent County is a county in the eastern part the Commonwealth of Virginia. As of the 2020 United States Census, its population was 22,945. Its county seat is New Kent. New Kent County is included in the Greater Richmond Region. History New Kent County was established in 1654, as the Virginia General Assembly with the governor's consent split York County. The county's name originated because several prominent inhabitants, including William Claiborne, recently had been forced from their settlement at Kent Island, Maryland, by Lord Baltimore upon the formation of Maryland. Claiborne had named the island for his birthplace in Kent, England. Chickahominy and Pamunkey Native Americans frequented this area, as well as nearby Charles City County and King William County, and both tribes remain well-established in this area. The county had two parishes in the colonial era, initially called Blisland (which also included the older James City County as well as York County) and St. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Henrico County, Virginia
Henrico County , officially the County of Henrico, is located in the Commonwealth of Virginia in the United States. As of the 2020 census, the population was 334,389 making it the fifth-most populous county in Virginia. Henrico County is included in the Greater Richmond Region. There is no incorporated community within Henrico County; therefore, there is no incorporated county seat either. Laurel, an unincorporated CDP, serves this function. Named after the settlement of Henricus, Henrico was first incorporated as the City of Henrico. In 1634, Henrico was reorganized as Henrico Shire, one of the eight original Shires of Virginia. It is one of the United States' oldest counties. The City of Richmond was officially part of Henrico County until 1842, when it became a fully independent city. The present-day Henrico County curves around the City of Richmond, surrounding it to the west, the north, and the east. The county is bounded by the Chickahominy River to the north and the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Swamp
A swamp is a forested wetland.Keddy, P.A. 2010. Wetland Ecology: Principles and Conservation (2nd edition). Cambridge University Press, Cambridge, UK. 497 p. Swamps are considered to be transition zones because both land and water play a role in creating this environment. Swamps vary in size and are located all around the world. The water of a swamp may be fresh water, brackish water, or seawater. Freshwater swamps form along large rivers or lakes where they are critically dependent upon rainwater and seasonal flooding to maintain natural water level fluctuations.Hughes, F.M.R. (ed.). 2003. The Flooded Forest: Guidance for policy makers and river managers in Europe on the restoration of floodplain forests. FLOBAR2, Department of Geography, University of Cambridge, Cambridge, UK. 96 p. Saltwater swamps are found along tropical and subtropical coastlines. Some swamps have hammock (ecology), hammocks, or dry-land protrusions, covered by aquatic vegetation, or vegetation that tolerates ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gradient
In vector calculus, the gradient of a scalar-valued differentiable function of several variables is the vector field (or vector-valued function) \nabla f whose value at a point p is the "direction and rate of fastest increase". If the gradient of a function is non-zero at a point , the direction of the gradient is the direction in which the function increases most quickly from , and the magnitude of the gradient is the rate of increase in that direction, the greatest absolute directional derivative. Further, a point where the gradient is the zero vector is known as a stationary point. The gradient thus plays a fundamental role in optimization theory, where it is used to maximize a function by gradient ascent. In coordinate-free terms, the gradient of a function f(\bf) may be defined by: :df=\nabla f \cdot d\bf where ''df'' is the total infinitesimal change in ''f'' for an infinitesimal displacement d\bf, and is seen to be maximal when d\bf is in the direction of the gradi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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