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Flood-Inundation Maps for Four Stream Reaches, Ithaca, Tompkins County, New York

Dates

Start Date
2015-10-01
End Date
2017-09-30

Summary

Problem The City of Ithaca, Tompkins County, N.Y., is in the process of developing a flood management plan for the streams that flow through the City. Flooding in the City is an annual problem caused by a variety of distinct and sometimes interconnected reasons. Flooding often is a result of snowmelt and rain during the winter and spring. Slow ice-melt and breakup can lead to ice jams and subsequent flooding. Flash floods are produced by summer thunderstorms. All of these flood types are compounded by two factors: the storm-sewer system in the City and the elevation of Cayuga Lake. The storm sewers drain to the nearby streams at points below the tops of the streambanks. Because the streamward ends of the storm sewers do not have backflow [...]

Child Items (0)

Contacts

Principal Investigator :
Elizabeth A Nystrom
Co-Investigator :
Arthur G Lilienthal
Funding Agency :
City of Ithaca, Cooperative Water Program
CMS Group :
New York Water Science Center

Attached Files

Click on title to download individual files attached to this item.

LK00-GAX01-Fig1.jpg
“Locations of study reaches (red lines) and USGS streamgages (black triangles)”
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Shapefile: Coon_LK00-GAX01.zip
Coon_LK00-GAX01.shp 236 Bytes
Coon_LK00-GAX01.dbf 73 Bytes
Coon_LK00-GAX01.shx 108 Bytes
Coon_LK00-GAX01.prj 424 Bytes

Project Extension

projectStatusActive
parts
typeShort Project Description
valueDevelop hydraulic models and generate a series of flood-inundation maps that will reflect flows with 2-, 10-, 50-, 100-, and 500-year recurrence intervals for selected reaches of Fall, Cascadilla, and Sixmile Creeks and Cayuga Inlet within the City limits of Ithaca. The flood maps will also be referenced to staff gages that will be installed at a selected point within each of the study reaches and to a USGS streamgage on Cayuga Inlet. These flood-inundation maps associated with a flood stage can be used by emergency responders and the public to view the areal extent of potential flooding and to make timely decisions regarding road closures and evacuations.

Locations of study reaches (red lines) and USGS streamgages (black triangles)
Locations of study reaches (red lines) and USGS streamgages (black triangles)

Map

Spatial Services

ScienceBase WMS

ScienceBase WFS

Communities

  • USGS New York Water Science Center

Tags

Categories
Water Resources Mission Area
Water Use and Availability Science
Natural Hazards Mission Area
Location
Water Science Field Team Keywords
U.S. States
Label
NYWSC CMS Themes
NYWSC Water Quality
NYWSC_CMS_L3_Topics
Community
OrganizationName
Types

Provenance

DEPTH-

Additional Information

Alternate Titles

  • Ithaca Flood Maps

Identifiers

Type Scheme Key
proposalno NY LK00-GAX01
projectId BASIS+ LK00-GAX01

Shapefile Extension

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