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In sharp contrast, the period between 14,300 and 11,100 years ago, which includes the Younger Dryas interval, was an interval of reduced sea level rise at about 6.0–9.9 mm/yr. Meltwater pulse 1C was centered at 8,000 years ago and produced a rise of 6.5 m in less than 140 years, such that sea levels 5000 years ago were around 3m lower than ...
The rock in the western portion is the result of volcanic eruptions and is estimated to be at least 3.5 billion years old (much older than the eastern portion) and contains the region's ore resources. Banded-iron formations were deposited 2 billion years ago; this is the Marquette Range Supergroup. A considerable amount of bedrock is visible.
That paper and another published last month in the Journal of Climate find that sea levels along the Gulf Coast and the southern Atlantic Coast have risen an average of 1 centimeter per year since ...
The surface of the peninsula is generally level, broken by conical hills and glacial moraines usually not more than a few hundred feet tall, most common in the north. The highest point in the Lower Peninsula is not definitely established, but is either Briar Hill at 1,705 feet (520 m), or one of several points nearby in the vicinity of Cadillac .
Upper Klamath Lake is the largest remnant of Lake Modoc, a giant pluvial lake that existed in the region until about 10,000 years ago. At its largest, Lake Modoc covered over 1,000 square miles (2,600 km 2), joining Upper Klamath, Lower Klamath, and Tule Lakes, as well as all of the major wetlands in the upper Klamath River basin, into a contiguous body of water.
Residents on the water system have reported a series of ailments ever since fuel from the Navy’s Red Hill fuel facility tainted its Red Hill water shaft in November 2021.
The Reedsburg Dam is a non-hydroelectric barrage dam crossing the Muskegon River in eastern Missaukee County in the U.S. state of Michigan. [1] Located in rural Enterprise Township, the dam was constructed in 1940 by the Civilian Conservation Corps to alleviate flooding from Houghton Lake, which is the source of the Muskegon River approximately 6 miles (9.7 km) upstream.
From its origin to Cincinnati, the average depth is approximately 15 feet (5 m). The largest immediate drop in water level is below the McAlpine Locks and Dam at the Falls of the Ohio at Louisville, Kentucky, where flood stage is reached when the water reaches 23 feet (7 m) on the lower gauge. However, the river's deepest point is 168 feet (51 ...