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The geodatabase was created by computing statistical wind speed
parameters for seven years of wind data from NREL’s WIND Toolkit and
placing them on a GIS grid that corresponds to the existing BOEM aliquot
lease grid for the Pacific coastal region.
For the Pacific coastal region, seven years of modeled mean wind speed
data on an approximately 2-km grid were obtained from NREL’s WIND
Toolkit (http://www.nrel.gov/grid/wind-toolkit.html). Each 1.2-km BOEM
aliquot grid cell was assigned a mean wind speed that corresponds to the
nearest 2-km WIND Toolkit grid cell representing the majority of its
area. The Weibull parameters were estimated by computing the parameters
of a Weibull distribution that has the same mean speed and wind energy
as the WIND Toolkit data. This process created a long-term, monthly, and
hourly (by month and for the whole 7-year period) Weibull
representation of the wind speed for each aliquot. The resulting dataset
is intended to provide broad estimates of wind speed variation for the
purposes of identifying possible good wind energy sites. It is not
intended to provide estimates of possible energy production for the
purpose of making offshore wind project investment or financing
decisions in specific locations.
Explanation of Attributes: Results in the geodatabase are reported on
the existing 1.2 km x 1.2 km aliquot grid defined by BOEM for the
Pacific coastal region. Wind speed statistics are reported at the center
point of each aliquot grid, but represent the mean values over the
entire area of each grid cell. The data set delivered to BOEM is a
geodatabase consisting of 14 layers. There is one layer for the
long-term statistics, one layer for each month, and one polygon layer of
aliquots covered by the data. The long-term shapefile includes mean
wind speed and Weibull parameters to capture the long-term wind speed
distribution of the entire 7-year time series. Each monthly shapefile
contains mean wind speed and Weibull parameters for that month overall
and for each hour of the day within that month. All times are in PST
(UTC-8).
Data Provided By:
National Renewable Energy Laboratory.
Content date:
not specified
Contact Organization:
National Renewable Energy Laboratory. 15013 Denver West Parkway, Golden, CO 80401. Phone: 303-275-3000. NREL is a national laboratory of the U.S Department of Energy, Office of Energy Efficiency and Renewable Energy. Operated by the Alliance for Sustainable Energy, LLC. Contact George Scott at george.scott@nrel.gov for more information.
Layers in this dataset are based on combinations of the following options.
You may choose from these options to select a specific layer on the map page.