Pacific Islands Water Science Center

Data and Tools

USGS water data in the Pacific Islands.

Search for sites and data using the NWIS Mapper which is the map interface to locations of sites with USGS water data.

Filter Total Items: 37
Date published: January 1, 2019

Southern Guam watershed model and Fena Valley Reservoir water-balance model input files for historic (1990‒2009) and future (2080‒2099) climate conditions

This data release contains the input files for the watershed and water-balance models that simulate historic (1990‒2009) and future (2080‒2099) climate conditions on Guam. These simulations are described in the associated Scientific Investigations Report, “Water Resources on Guam—Potential Impacts of and Adaptive Response to Climate Change" by Stephen B...

Date published: January 1, 2019

Mean annual water-budget components for Guam for historic (1990-2009) and future (2080-2099) climate conditions

The zipped folder (Mean_annual_water_budget_Guam_1990-2009_and_2080-2099.zip) for this data release contains two polygon shapefiles and associated metadata files. Both shapefiles contain spatially distributed estimates of mean annual groundwater recharge and other water-budget components, in inches, for Guam. “Mean_annual_water-budget_components_Guam_1990-2009.shp” contain

Date published: January 1, 2019

Leaf-level gas exchange and leaf-area index measurements collected at four study sites on the island of Maui, Hawaii, September 2017 - August 2018

The University of Hawaii at Manoa and the U.S. Geological Survey, in cooperation with the County of Maui Department of Water Supply and the State of Hawaii Commission on Water Resource Management, initiated a field data-collection program to measure the transpiration characteristics of native and non-native invasive plants within forested areas on the island of Maui. The field data collection...

Date published: January 1, 2019

Southern Guam watershed model and Fena Valley Reservoir water-balance model input files for historic (1990‒2009) and future (2080‒2099) climate conditions

This data release contains the input files for the watershed and water-balance models that simulate historic (1990‒2009) and future (2080‒2099) climate conditions on Guam. These simulations are described in the associated Scientific Investigations Report, “Water Resources on Guam—Potential Impacts of and Adaptive Response to Climate Change" by Stephen B

Date published: March 1, 2018

Summary of dissolved pesticide concentrations in discrete surface-water samples collected on the islands of Kauaʻi and Oʻahu, Hawaiʻi November 2016–April 2017

This dataset includes pesticide-concentration results for 32 discrete water samples that were collected on the islands of Kauai and Oahu between November 21, 2016 and April 29, 2017. The water samples were collected for the Pesticide-Monitoring Program of Surface Water in the State of Hawaii. This dataset consists of five files: a summary file, a sample-list file, two results files, and this...

Date published: March 1, 2018

Summary of dissolved pesticide concentrations in discrete surface-water samples collected on the islands of Kauaʻi and Oʻahu, Hawaiʻi November 2016–April 2017

This dataset includes pesticide-concentration results for 32 discrete water samples that were collected on the islands of Kauai and Oahu between November 21, 2016 and April 29, 2017. The water samples were collected for the Pesticide-Monitoring Program of Surface Water in the State of Hawaii. This dataset consists of five files: a summary file, a sample-list file, two results files, a

Date published: February 1, 2018

Mean annual water-budget components for the Island of Kauai, Hawaii, for predevelopment conditions, 1978-2007 rainfall and 1870 land cover (version 2.0)

The shapefile associated with this metadata file represents the spatial distribution of mean annual water-budget components, in inches, for the Island of Kauai, Hawaii. The water-budget components in the shapefile were computed by a water-budget model for a scenario representative of predevelopment conditions (1978–2007 rainfall and 1870 land cover), as described in USGS Scien

Date published: February 1, 2018

Mean annual water-budget components for the Island of Kauai, Hawaii, for current conditions, 2001-10 rainfall and 2001-10 land cover (version 2.0)

The shapefile associated with this metadata file represents the spatial distribution of mean annual water-budget components, in inches, for the Island of Kauai, Hawaii. The water-budget components in the shapefile were computed by a water-budget model for a scenario representative of current conditions (2001-10 rainfall and 2001-10 land cover), as described in U.S. Geological Survey S

Date published: February 1, 2018

Mean annual water-budget components for the Island of Oahu, Hawaii, for current conditions, 2001-10 rainfall and 2001-10 land cover (version 2.0)

The shapefile associated with this metadata file represents the spatial distribution of mean annual water-budget components, in inches, for the Island of Oahu, Hawaii. The water-budget components in the shapefile were computed by a water-budget model for a scenario representative of current conditions (2001-10 rainfall and 2001-10 land cover), as described in USGS Scientific Investiga

Date published: February 1, 2018

Mean annual water-budget components for the Island of Oahu, Hawaii, for predevelopment conditions, 1978-2007 rainfall and 1870 land cover (version 2.0)

The shapefile associated with this metadata file represents the spatial distribution of mean annual water-budget components, in inches, for the Island of Oahu, Hawaii. The water-budget components in the shapefile were computed by a water-budget model for a scenario representative of predevelopment conditions (1978–2007 rainfall and 1870 land cover), as described in USGS Scient

Date published: February 1, 2018

Mean annual water-budget components for the Island of Kauai, Hawaii, for recent conditions, 1978-2007 rainfall and 2010 land cover (version 2.0)

The shapefile associated with this metadata file represents the spatial distribution of mean annual water-budget components, in inches, for the Island of Kauai, Hawaii. The water-budget components in the shapefile were computed by a water-budget model for a scenario representative of recent conditions (1978–2007 rainfall and 2010 land cover), as described in USGS Scientific In

Date published: January 1, 2018

Land-Cover Map for the Island of Maui, Hawaii, 2017 (version 1.2, November 2018)

This dataset describes land cover and vegetation for the island of Maui, Hawaii, 2017, hereinafter the 2017 land-cover map. The 2017 land-cover map is a modified version of the 2010 land-cover map included in the geospatial dataset titled "Mean annual water-budget components for the Island of Maui, Hawaii, for average climate conditions, 1978-2007 rainfall and 2010 land cover (ver