Ossining Watershed Discovery
What is a watershed and how to identify its features.
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Ossining
Watershed
Position / Role
Watershed Discovery
Steps to Discovery
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You will be able to identity the features of the Ossining watershed.
-creeks, streams, rivers, river, ponds, lakes, and wetlands -
You will plot the gradient of a river according two elevations and the distance between them.
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You will identify possible breaches in the watershed
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You will create a topographic model and calculate the gradient/slope
Position / Role
Introduction to Watersheds
Features of a Watershed
One feature of watersheds are channels. A channel is an open (tube, trough, long and narrow or shallow depression, low point in ground) either naturally or artificially created which periodically, or continuously contains moving water, or forms a connecting link between two bodies of water.
A watershed is a land area that channels rainfall and snowmelt to creeks, streams, and rivers, and eventually to outflow points such as reservoirs, bays, and the ocean.
Watch the watershed video below.
Position / Role
Project Materials & Resources
Discovery Scope
Visit to Croton Landing Park
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Collect water sample along the shore
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In class perform analysis on water samples.
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Watershed Lab
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(Use Google Earth to investigate the Ossining watershed).
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Click hear to watch demos of hpw tp ise Google Eart Tools.
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Using Google Earth Tools you will perform the following.
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Find an inland river that feeds and connects to the Hudson River.
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Determine the slope of the river.
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Look up and find the Ossining Reservoir.
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Calculate the area of the Ossining Reservoir.
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Do you think the reservoir holds enough water for the residents of Ossining? Explain
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