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Estimated crop irrigation water use withdrawals in Sierra Vista Groundwater Subbasin of the Upper San Pedro Groundwater Basin, Arizona for 2024 Estimated crop irrigation water use withdrawals in Sierra Vista Groundwater Subbasin of the Upper San Pedro Groundwater Basin, Arizona for 2024
Observations of irrigated agricultural land within the Sierra Vista Groundwater Subbasin of the Upper San Pedro Groundwater Basin in Arizona. Crops were verified in situ once in 2024 on Sep 11th; based on digitized field boundaries. Field boundaries were digitized from U.S. Department of Agriculture, National Agriculture Imagery Program County Mosaic 2023 imagery for Arizona and...
Deposit componentry and tephra grain shape data by dynamic-imaging analysis of the Kulanaokuaiki Tephra Member of the Uwēkahuna Ash, Kīlauea volcano, Island of Hawai‘i Deposit componentry and tephra grain shape data by dynamic-imaging analysis of the Kulanaokuaiki Tephra Member of the Uwēkahuna Ash, Kīlauea volcano, Island of Hawai‘i
Tephra samples from the Kulanaokuaiki Tephra Member (400 to 1000 C.E.) of the Uwēkahuna Ash (200 B.C.E. to 1000 C.E.) were sampled from Kīlauea volcano, Island of Hawai‘i. Samples were analyzed by dynamic imaging analysis using Microtrac CAMSIZER P4 and X2 instruments for grain shape and Anton nitrogen pycnometer instruments for density in the U.S. Geological Survey - Hawaiian Volcano...
High-Resolution Concurrent Bathymetric and Topographic Surveys of Lake Pushmataha, Choctaw Indian Reservation, East-Central Mississippi, December 2024 High-Resolution Concurrent Bathymetric and Topographic Surveys of Lake Pushmataha, Choctaw Indian Reservation, East-Central Mississippi, December 2024
In December 2024, the Lower Mississippi-Gulf Water Science Center (LMGWSC) conducted comprehensive field surveys of Lake Pushmataha, a central Mississippi reservoir owned by the Mississippi Band of Choctaw Indians (MBCI) and named in honor of Chief Pushmataha. These surveys aimed to provide high-resolution spatial data to support the Bureau of Indian Affairs (BIA) in designing and...
Estimated crop irrigation water use withdrawals in Harquahala Irrigation Non-Expansion Area Groundwater Basin, Arizona for 2024 Estimated crop irrigation water use withdrawals in Harquahala Irrigation Non-Expansion Area Groundwater Basin, Arizona for 2024
Observations of irrigated agricultural land within the Harquahala Irrigation Non-Expansion Area Groundwater Basin in Arizona. Crops were verified in situ twice in 2024, first on May 15th and again on Aug 29th; based on digitized field boundaries. Field boundaries were digitized from U.S. Department of Agriculture, National Agriculture Imagery Program County Mosaic 2023 imagery for...
Numerical simulations of lithospheric shortening on the ice-covered moons Europa and Enceladus Numerical simulations of lithospheric shortening on the ice-covered moons Europa and Enceladus
Jupiter’s moon Europa and Saturn’s moon Enceladus have many commonalities; however, the surfaces of the two moons bear little resemblance to each other. Significantly, although both moons show ample evidence of lithospheric extension (e.g., rifting), only Enceladus has obvious features formed by lithospheric shortening. We hypothesize that this difference is primarily caused by the...
Improved camera pointing and spacecraft ephemeris data for Lunar Reconnaissance Orbiter Camera (LROC) Narrow Angle Camera (NAC) images of the lunar poles. Improved camera pointing and spacecraft ephemeris data for Lunar Reconnaissance Orbiter Camera (LROC) Narrow Angle Camera (NAC) images of the lunar poles.
NASA’s lunar exploration objectives, which include both robotic and human missions to the surface, require data products with high spatial resolution and accuracy. Using rigorous photogrammetric methods, we have co-aligned thousands of high-resolution images from the Lunar Reconnaissance Orbiter Camera (LROC) Narrow Angle Camera (NAC) [Robbinson et al. 2010] of the lunar north and south...