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USACE CWMS - West Branch Susquehanna Watershed


Authors: Mayss Saadoon
Owners: Mayss Saadoon · Adrian Christopher · Jason Sheeley
Resource type:Collection Resource
Created:Jun 25, 2018 at 6:42 p.m.
Last updated: Jun 26, 2018 at 1:51 p.m. by Mayss Saadoon

Abstract

The Corps Water Management System (CWMS) includes four interrelated models to assist with water management for the basin:
- GeoHMS (Geospatial Hydrologic Modeling Extension)
- ResSIM (Reservoir System Simulation)
- RAS (River Analysis System)
- FIA (Flood Impact Analysis)

The West Branch Susquehanna River Watershed covers almost 7000 square miles in central and north-central Pennsylvania. The upper or western part of the watershed lies mainly in the Appalachian Plateau Physiographic Province and is generally characterized by narrow flat-bottomed valleys with steep walls rising to rolling plateaus. Low mountains typically range up to 2500 feet in elevation. Most of the area is forested, with numerous state parks, state forests, and state game lands. Stream gradients along the main stem West Branch Susquehanna River in this portion of the watershed average about 6 feet per mile. Some tributary streams, however, have gradients that exceed 15 to 20 feet per mile, contributing to quick increases in runoff during intense storms or rapid snowmelt events. The eastern part of the watershed lies mainly in the Ridge and Valley Physiographic Province. Stream gradients along the main stem West Branch Susquehanna River in this lower portion of the watershed flatten out and average about 2 feet per mile. Valley portions are devoted mainly to agriculture.
In addition to the West Branch Susquehanna River, major tributary streams in the watershed include Clearfield Creek, Moshannon Creek, Bald Eagle Creek, Sinnemahoning Creek, Kettle Creek, Pine Creek, Lycoming Creek, Loyalsock Creek and Muncy Creek. There are only two major population centers in the watershed. Williamsport has a population of almost 30,000 and Lock Haven has a population of almost 10,000; both cities are located on the banks of the West Branch Susquehanna River. Most other towns in the watershed have populations less than 5,000 people, with many being located adjacent to tributary streams and the main stem West Branch Susquehanna River.
The four reservoir projects in the watershed are regulated as a system for flood risk management along the West Branch Susquehanna River. Taken together, these four projects have generated over $860 million in flood damage reduction benefits over the past 50 years. Each reservoir also provides water-oriented recreational features such as beaches, boat launches, fishing facilities, camping areas, and picnic zones that are managed by state and local sponsors. Portions of the West Branch Susquehanna watershed are degraded by acid mine drainage from abandoned coal mines, and the Curwensville and Sayers projects are occasionally regulated to mitigate the adverse effects of acid mine drainage along the West Branch Susquehanna River. In addition, Curwensville Lake provides 5240 acre-feet of dedicated water supply storage for downstream consumptive use make-up.

Subject Keywords

West Branch Susquehanna,Corps Water Management System (CWMS),USACE,IWRSS

How to cite

Saadoon, M. (2018). USACE CWMS - West Branch Susquehanna Watershed, HydroShare, http://www.hydroshare.org/resource/e64d3286b98245129b4f1245d9def94e

This resource is shared under the Creative Commons Attribution CC BY.

 http://creativecommons.org/licenses/by/4.0/
CC-BY

Sharing status:

  • Discoverable Resource  Discoverable
  • Non Sharable Resource  Not Shareable

Coverage

Spatial:

 Coordinate System/Geographic Projection:  WGS84 EPSG:4326
 Coordinate Units:  [u'Decimal degrees']
North Latitude
42.0700°
East Longitude
-76.5735°
South Latitude
40.1445°
West Longitude
-78.6265°

Collection Contents

Add Title Type Owners Sharing Status My Permission Remove
USACE CWMS - West Branch Susquehanna CompositeResource Mayss Saadoon · Adrian Christopher · Jason Sheeley Discoverable Open Access
USACE CWMS - West Branch Susquehanna Bank Lines GeographicFeatureResource Mayss Saadoon · Adrian Christopher · Jason Sheeley Discoverable Open Access
USACE CWMS - West Branch Susquehanna Centerline GeographicFeatureResource Mayss Saadoon · Adrian Christopher · Jason Sheeley Discoverable Open Access
USACE CWMS - West Branch Susquehanna Conversion Points GeographicFeatureResource Mayss Saadoon · Adrian Christopher · Jason Sheeley Discoverable Open Access
USACE CWMS - West Branch Susquehanna Study Area GeographicFeatureResource Mayss Saadoon · Adrian Christopher · Jason Sheeley Discoverable Open Access

Authors

The people or organizations that created the intellectual content of the resource.

Name Organization Address Phone Author Identifiers
Mayss Saadoon U.S. Army corps of engineers
Extended Metadata
Name Value
USACE Model Registry USACEModelRegistryAdmin@usace.army.mil

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