chapter 1 section 2 water forms of pa. i. rivers and tributary systems 3 major river systems –...
DESCRIPTION
II. Lakes and Wetlands Lakes – There are more than 2000 small lakes in PA – Most were created by glaciers – Biggest Lakes in PA Pymatuning Reservoir Raystown Lake Lake Wallenpaupack Wetlands – Lowland areas, such as marshy or swampy places that hold moisture – Excellent habitats for wildlifeTRANSCRIPT
Chapter 1 Section 2
Water forms of PA
I. Rivers and Tributary Systems 3 major river systems– The Allegheny
Western PA Actually consists of 3 major rivers
The Allegheny The Ohio The Monongahela
Major rivers of commerce– The Susquehanna
Northeastern PA Starts in NY Flows south through the entire state of PA Too shallow for boats to travel on
– The Delaware Eastern PA Forms a natural border with New Jersey Philadelphia
Located on the Delaware Major deep water port
II. Lakes and Wetlands Lakes– There are more than 2000 small lakes in PA– Most were created by glaciers– Biggest Lakes in PA
Pymatuning Reservoir Raystown Lake Lake Wallenpaupack
Wetlands– Lowland areas, such as marshy or swampy places that hold
moisture– Excellent habitats for wildlife
III. Reservoirs and Dams Reservoirs
– A natural or artificial pond or lake used for the storage and regulation of water Dams
– Help regulate the flow of water– Also provide Hydro electrics– There are 1564 Dams in PA– Largest
Kinzua Dam Alleghany National Forest Statistics
Type of structure: Concrete dam and earth embankment Height above streambed, feet
– 179 Length, feet
– 1,877– Concrete section – 778.5 feet; earth embankment – 1,098.5 feet
Width at base, feet 1,245 concrete section – 195 feet; earth embankment – 1,050 feet Volume of earth fill, cubic yards
– 3,000,000 Volume of concrete, cubic yards
– 500,000