StreamStats for Hawaii was developed in cooperation with the State of Hawaii Department of Transportation.
StreamStats is implemented for the islands of Kauai, Oahu, Molokai, Maui, and Hawaii, State of Hawaii. The StreamStats for Hawaii application provides peak-flow statistics with annual exceedance probabilities of 50, 20, 10, 4, 2, 1, and 0.2 percent. These peak flows have recurrence intervals of 2-, 5-, 10-, 25-, 50-, 100-, and 500-year floods. The report below presents the equations used to estimate the flow statistics, documents the errors associated with the estimates, and describes the methods used to develop the equations and to measure the basin characteristics used in the equations. Users should familiarize themselves with this report before using StreamStats to obtain estimates of streamflow statistics for ungaged sites.
- Oki, D.S., Rosa, S.N., and Yeung, C.W., 2010, Flood-Frequency Estimates for Streams on Kaua‘i, O‘ahu, Moloka‘i, Maui, and Hawai‘i, State of Hawai‘i: U.S. Geological Survey Scientific Investigations Report 2010-5035, 121 p.
A Fact Sheet specific to the Hawaii StreamStats application is also available as a resource:
- Rosa, S.N. and Oki, D.S., 2010, Hawaii StreamStats: a web application for defining drainage-basin characteristics and estimating peak-streamflow statistics: U.S. Geological Survey Fact Sheet 2010-3052, 4 p.
The geospatial data sets used in the Hawaii StreamStats application are published and available for download. See the following report for more information:
- Rea, Alan, and Skinner, K.D., 2012, Geospatial datasets for watershed delineation and characterization used in the Hawaii StreamStats web application: U.S. Geological Survey Data Series 680, 12 p.
Click on this link to obtain general information on the Hawaii application, as well as specific sources and computation methods for basin characteristics.
Geospatial datasets for watershed delineation and characterization used in the Hawaii StreamStats web application
Hawaii StreamStats: A web application for defining drainage-basin characteristics and estimating peak-streamflow statistics
Flood-Frequency Estimates for Streams on Kaua`i, O`ahu, Moloka`i, Maui, and Hawai`i, State of Hawai`i
Geospatial datasets for watershed delineation and characterization used in the Hawaii StreamStats web applicationThe U.S. Geological Survey Hawaii StreamStats application uses an integrated suite of raster and vector geospatial datasets to delineate and characterize watersheds. The geospatial datasets used to delineate and characterize watersheds on the StreamStats website, and the methods used to develop the datasets are described in this report. The datasets for Hawaii were derived primarily from 10 meter
Hawaii StreamStats: A web application for defining drainage-basin characteristics and estimating peak-streamflow statisticsReliable estimates of the magnitude and frequency of floods are necessary for the safe and efficient design of roads, bridges, water-conveyance structures, and flood-control projects and for the management of flood plains and flood-prone areas. StreamStats provides a simple, fast, and reproducible method to define drainage-basin characteristics and estimate the frequency and magnitude of peak disc
Flood-Frequency Estimates for Streams on Kaua`i, O`ahu, Moloka`i, Maui, and Hawai`i, State of Hawai`iThis study provides an updated analysis of the magnitude and frequency of peak stream discharges in Hawai`i. Annual peak-discharge data collected by the U.S. Geological Survey during and before water year 2008 (ending September 30, 2008) at stream-gaging stations were analyzed. The existing generalized-skew value for the State of Hawai`i was retained, although three methods were used to evaluate w