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Found 68 dataset(s) matching "HU".

8-digit HU (Subbasin)
- Organization: State of Oregon
- Updated: 2024-05-01 | Harvested: August 04, 2025 at 11:54 AM
Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National representation of HU...
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2-digit HU (Region)
- Organization: State of Oregon
- Updated: 2024-05-01 | Harvested: August 04, 2025 at 11:54 AM
Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National representation of HU...
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10-digit HU (Watershed)
- Organization: State of Oregon
- Updated: 2024-05-01 | Harvested: August 04, 2025 at 11:54 AM
Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National representation of HU...
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14-digit HU
- Organization: State of Oregon
- Updated: 2024-05-01 | Harvested: August 04, 2025 at 11:55 AM
Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National representation of HU...
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4-digit HU (Subregion)
- Organization: State of Oregon
- Updated: 2024-05-01 | Harvested: August 04, 2025 at 11:54 AM
Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National representation of HU...
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6-digit HU (Basin)
- Organization: State of Oregon
- Updated: 2024-05-01 | Harvested: August 04, 2025 at 11:55 AM
Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National representation of HU...
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16-digit HU
- Organization: State of Oregon
- Updated: 2024-05-01 | Harvested: August 04, 2025 at 11:55 AM
Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National representation of HU...
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12-digit HU (Subwatershed)
- Organization: State of Oregon
- Updated: 2024-05-01 | Harvested: August 04, 2025 at 11:55 AM
Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National representation of HU...
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“ChesBay 24k – HU": Human Related Data Summaries for the Chesapeake Bay Watershed Within NHD Plus HR catchments (ver. 3.0, August 2025)
- Organization: Department of the Interior
- Updated: 20250826 | Harvested: August 29, 2025 at 07:38 PM
These tabular data are the summarization of human related variables within catchments of the Chesapeake Bay watershed at the 1:24,000 scale using the xstrm methodology. Variables being counted as...
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Crosswalk Table Between NHDPlus V2.1 and its Accompanying Watershed Boundary Dataset Snapshot of 12-Digit Hydrologic Units
- Organization: Department of the Interior
- Updated: 20220824 | Harvested: July 18, 2025 at 01:12 AM
A crosswalk table between NHDPlus version 2.1 flowlines (using the unique field COMID) and the Watershed Boundary Dataset (WBD) 12-digit-hydrologic units (HU-12) is provided for the 48 contiguous...
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Effects of 5-ion 6-beam sequential irradiation in the presence and absence of hindlimb or control hindlimb unloading on behavioral performances and plasma metabolic pathways of Fischer 344 rats
- Organization: National Aeronautics and Space Administration
- Updated: 2025-08-21 | Harvested: September 29, 2025 at 02:38 AM
Effects and interactions between different spaceflight stressors are expected to be experienced by crew on missions when exposed to microgravity and galactic cosmic rays (GCRs). One of the...
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Effects of photon irradiation in the presence and absence of hindlimb unloading on the behavioral performance and metabolic pathways in the plasma of Fischer rats
- Organization: National Aeronautics and Space Administration
- Updated: 2025-08-21 | Harvested: August 25, 2025 at 11:01 PM
The space environment astronauts experience during space missions consists of multiple environmental challenges, including microgravity. In this study, we assessed the behavioral and cognitive...
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ACTIVATE Falcon Aircraft Merge Data Files
- Organization: National Aeronautics and Space Administration
- Updated: 2025-09-10 | Harvested: October 22, 2025 at 08:53 PM
ACTIVATE_Merge_Data is the pre-generated merge data files created from data collected onboard the HU-25 Falcon aircraft during the ACTIVATE project. ACTIVATE was a 5-year NASA Earth-Venture...
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ACTIVATE King Air Meteorological and Navigational Data
- Organization: National Aeronautics and Space Administration
- Updated: 2025-09-10 | Harvested: October 29, 2025 at 09:19 PM
ACTIVATE_MetNav_AircraftInSitu_KingAir_Data is the meteorological and navigational data collected onboard the B-200 King Air aircraft via in-situ instrumentation during the ACTIVATE project....
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ACTIVATE King Air Aerosol and Cloud Remotely Sensed Data
- Organization: National Aeronautics and Space Administration
- Updated: 2025-09-10 | Harvested: October 31, 2025 at 09:29 PM
ACTIVATE_AerosolCloud_AircraftRemoteSensing_KingAir_Data is the aerosol and cloud data collected onboard the B-200 King Air aircraft via remote sensing instrumentation during the ACTIVATE project....
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Effects of 5-Ion Beam Irradiation and Hindlimb Unloading on Metabolic Pathways in Plasma and Brain of Behaviorally Tested WAG/Rij Rats
- Organization: National Aeronautics and Space Administration
- Updated: 2025-08-21 | Harvested: August 25, 2025 at 11:01 PM
A limitation of simulated space radiation studies is that radiation exposure is not the only environmental challenge astronauts face during missions. Therefore, we characterized behavioral and...
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ACTIVATE Falcon In Situ Aerosol Data
- Organization: National Aeronautics and Space Administration
- Updated: 2025-09-10 | Harvested: October 15, 2025 at 06:22 PM
ACTIVATE_Aerosol_AircraftInSitu_Falcon_Data is the aerosol data collected onboard the HU-25 Falcon aircraft via in-situ instrumentation during the ACTIVATE project. ACTIVATE was a 5-year NASA...
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ACTIVATE Supplementary Model Data
- Organization: National Aeronautics and Space Administration
- Updated: 2025-09-10 | Harvested: September 14, 2025 at 05:26 AM
ACTIVATE_Model_Data is the MERRA-2 variables sampled along the HU-25 flight tracks during the ACTIVATE project. ACTIVATE was a 5-year NASA Earth-Venture Sub-Orbital (EVS-3) field campaign. Marine...
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Effect of microgravity on brain gene expression in mice
- Organization: National Aeronautics and Space Administration
- Updated: 2025-04-23 | Harvested: October 19, 2025 at 07:12 PM
Changes in gravitational force such as that experienced by astronauts during space flight induce a redistribution of fluids from the caudad to the cephalad portion of the body together with an...
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ACTIVATE FLEXible PARTicle (FLEXPART) Dispersion Model Back-trajectories
- Organization: National Aeronautics and Space Administration
- Updated: 2025-09-10 | Harvested: October 27, 2025 at 09:15 PM
ACTIVATE-FLEXPART is the FLEXible PARTicle dispersion model back-trajectories ending at the HU-25 Falcon locations. ACTIVATE was a 5-year NASA Earth-Venture Sub-Orbital (EVS-3) field campaign....
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