Acker Island facts for kids
USGS aerial imagery of Acker Island, with McDonald Island to the west, Spud Island to the northwest, Hog Island to the northeast, Rindge Tract to the east, and Roberts Island to the south.
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 Acker Island
Location in Sacramento-San Joaquin River Delta
Acker Island
Location in California
Acker Island
Location in the United States
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| Geography | |
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| Location | Northern California |
| Coordinates | 37°59′51″N 121°26′56″W / 37.99750°N 121.44889°W |
| Adjacent bodies of water | Sacramento–San Joaquin River Delta |
| Highest elevation | 3 ft (0.9 m) |
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United States
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| State |  California |
| County | San Joaquin |
Acker Island, also known as Lost Isle, is a small island located in the Sacramento–San Joaquin River Delta in Northern California. It is part of San Joaquin County, California. The island's coordinates are 37°59′51″N 121°26′56″W / 37.99750°N 121.44889°W. In 1981, the United States Geological Survey measured its elevation as about 3 feet (1 meter) above sea level.
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Exploring Acker Island
Acker Island is a fascinating part of California's natural landscape. It's a small, low-lying island within a much larger area called a river delta. These islands are often formed by sediment carried by rivers over many years.
Where is Acker Island Located?
Acker Island is found in the Sacramento–San Joaquin River Delta. This delta is a huge area where the Sacramento and San Joaquin rivers meet before flowing into San Francisco Bay. It's a network of waterways, islands, and wetlands. The island is specifically located within San Joaquin County.
What is a River Delta?
A river delta is a landform that looks like a triangle or fan shape. It is created when a river carrying sediment, like mud and sand, slows down as it enters a larger body of water, such as a sea or a bay. The sediment then settles and builds up over time, forming new land. The Sacramento–San Joaquin River Delta is one of the largest estuaries on the west coast of the Americas.
The Delta's Importance
The Sacramento–San Joaquin River Delta is very important for many reasons. It provides water for farms and cities across California. It is also home to many different kinds of wildlife, including fish, birds, and other animals. The delta's unique environment makes it a special place for nature and people.
