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When the water level is at its maximum of 175 m (574 ft) above sea level, 110 m (361 ft) higher than the river level downstream, the dam reservoir is on average about 660 km (410 mi) in length and 1.12 km (3,675 ft) in width. It contains 39.3 km 3 (31,900,000 acre⋅ft) of water and has a total surface area of 1,045 km 2 (403 sq
The world-average ecological footprint in 2016 was 2.75 global hectares per person (22.6 billion in total). With a world-average biocapacity of 1.63 global hectares (gha) per person (12.2 billion in total), this leads to a global ecological deficit of 1.1 global hectares per person (10.4 billion in total). [1]
Standard pitch measurements. The field of play is 91.4 by 55.0 metres (100 yd × 60 yd) with an area of 5,027 square metres (1.24 acres). A hockey pitch is the playing surface for the game of field hockey. Historically, the game was played on natural turf (grass) and nowadays it is predominantly played on an artificial turf. The transition to ...
The Floridan aquifer system is one of the world's most productive aquifers [2] and supplies drinking water for nearly 10 million people. [3] According to the United States Geological Survey , total withdrawals from the Floridan aquifer system in 2000 were ranked 5th highest of all principal aquifers in the nation at 3,640 million gallons per ...
Bear Lake is a natural freshwater lake on the Idaho–Utah border in the Western United States.About 109 square miles (280 km 2) in size, it is split about equally between the two states; its Utah portion comprises the second-largest natural freshwater lake in Utah, after Utah Lake. [1]
Biosphere 2, with upgraded solar panels in foreground, sits on a sprawling 40-acre (16-hectare) science campus that is open to the public. The Biosphere 2 project was launched in 1984 by businessman and billionaire philanthropist Ed Bass and systems ecologist John P. Allen, with Bass providing US$150 million in funding until 1991. [7]
Block: Water descends from a relatively wide stream or river. [1] [2] Cascade: Water descends a series of rock steps. [1] [2] Segmented: Distinctly separate flows of water form as it descends. [1] Tiered: Water drops in a series of distinct steps or falls. [1] Punchbowl: Water descends in a constricted form and then spreads out in a wider pool. [1]
Island Beach State Park has 3,000 acres (1,200 ha) of coastal dunes. [85] Double Trouble State Park includes 8,000 acres (3,200 ha) of land in the New Jersey Pine Barrens. [86] Brendan T. Byrne State Forest includes 37,000 acres (15,000 ha) and was formerly known as Lebanon State Forest. [87] Forked River State Marina [88]