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Mobile Bay is the fourth-largest estuary in the United States with a discharge of 62,000 cubic feet (1,800 m 3) of water per second. [1] Annually, and often several times during the summer months, the fish and crustaceans will swarm the shallow coastline and shore of the bay.
The reservoir was created in 1953 when the City of Houston built the dam to impound a reservoir to replace Sheldon Lake, then the primary source of water for the city. The city sold Sheldon Lake to the Texas Parks and Wildlife Department for use as a waterfowl sanctuary and public fishing site.
The first recorded evidence of water depth measurements are from Ancient Egypt over 3000 years ago. [3] Bathymetry has various uses including the production of bathymetric charts to guide vessels and identify underwater hazards, the study of marine life near the floor of water bodies , coastline analysis and ocean dynamics , including ...
Bathymetric charts showcase depth using a series of lines and points at equal intervals, called depth contours or isobaths (a type of contour line). A closed shape with increasingly smaller shapes inside of it can indicate an ocean trench or a seamount, or underwater mountain, depending on whether the depths increase or decrease going inward.
A sailor and a man on shore, both sounding the depth with a line. Depth sounding, often simply called sounding, is measuring the depth of a body of water. Data taken from soundings are used in bathymetry to make maps of the floor of a body of water, such as the seabed topography. Soundings were traditionally shown on nautical charts in fathoms and
The Weeks Bay National Estuarine Research Reserve is a field laboratory and research facility [1] along Weeks Bay estuary, about 6,000 acres (2,400 ha) in size. It receives freshwater from the Magnolia and Fish Rivers , and drains a 198 square miles (510 km 2 ) watershed into the portion of Mobile Bay via a narrow opening.
Two Houston homeowners are seeking answers after a municipal water tank burst, flooding their homes. With insurance claims denied and the utility district citing government immunity, they may need ...
The outcome of the study was a class of vertical-beam depth sounders, which is still widely used. It simultaneously pinged at two acoustic frequencies, separated by more than 2 octaves, making depth and echo-amplitude measurements that were concurrent, both spatially and temporally, albeit at a single vertical grazing angle. [clarification needed]