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I use template matching and precise relative relocation techniques to develop a high-resolution earthquake catalog for the initial portion of the 2019 Ridgecrest earthquake sequence, from July 4-16, encompassing the foreshock sequence and the first 10+ days of aftershocks following the Mw 7.1 mainshock. Using 13,525 routinely cataloged events as waveform templates, I detect and precisely locate a total of 34,091 events. Precisely located earthquakes reveal numerous cross-cutting fault structures with dominantly perpendicular SW- and NW-strikes. Foreshocks of the Mw 6.4 event appear to align on a NW-striking fault. Aftershocks of the Mw 6.4 event suggest that it further ruptured this NW-striking fault, as well as...
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To determine if invasive annual grasses increased around energy developments after the construction phase, we calculated an invasives index using Landsat TM and ETM+ imagery for a 34-year time period (1985-2018) and assessed trends for 1,755 wind turbines (from the U.S. Wind Turbine Database) installed between 1988 and 2013 in the southern California desert. The index uses the maximum normalized difference vegetation index (NDVI) for early season greenness (January-June), and mean NDVI (July-October) for the later dry season. We estimated the relative cover of invasive annuals each year at turbine locations and control sites and tested for changes before and after each turbine was installed. These data were used...
This data set contains imagery from the National Agriculture Imagery Program (NAIP). The NAIP program is administered by USDA FSA and has been established to support two main FSA strategic goals centered on agricultural production. These are increase stewardship of America's natural resources while enhancing the environment, and to ensure commodities are procured and distributed effectively and efficiently to increase food security. The NAIP program supports these goals by acquiring and providing ortho imagery that has been collected during the agricultural growing season in the U.S. The NAIP ortho imagery is tailored to meet FSA requirements and is a fundamental tool used to support FSA farm and conservation programs....
This data set contains imagery from the National Agriculture Imagery Program (NAIP). The NAIP program is administered by USDA FSA and has been established to support two main FSA strategic goals centered on agricultural production. These are increase stewardship of America's natural resources while enhancing the environment, and to ensure commodities are procured and distributed effectively and efficiently to increase food security. The NAIP program supports these goals by acquiring and providing ortho imagery that has been collected during the agricultural growing season in the U.S. The NAIP ortho imagery is tailored to meet FSA requirements and is a fundamental tool used to support FSA farm and conservation programs....
This data set contains imagery from the National Agriculture Imagery Program (NAIP). The NAIP program is administered by USDA FSA and has been established to support two main FSA strategic goals centered on agricultural production. These are increase stewardship of America's natural resources while enhancing the environment, and to ensure commodities are procured and distributed effectively and efficiently to increase food security. The NAIP program supports these goals by acquiring and providing ortho imagery that has been collected during the agricultural growing season in the U.S. The NAIP ortho imagery is tailored to meet FSA requirements and is a fundamental tool used to support FSA farm and conservation programs....
This data set contains imagery from the National Agriculture Imagery Program (NAIP). The NAIP program is administered by USDA FSA and has been established to support two main FSA strategic goals centered on agricultural production. These are increase stewardship of America's natural resources while enhancing the environment, and to ensure commodities are procured and distributed effectively and efficiently to increase food security. The NAIP program supports these goals by acquiring and providing ortho imagery that has been collected during the agricultural growing season in the U.S. The NAIP ortho imagery is tailored to meet FSA requirements and is a fundamental tool used to support FSA farm and conservation programs....
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These data were collected to determine how genetic variation is arrayed across remaining populations of gnatcatchers, allowing inference about individual movement and gene flow patterns among those populations. The work focused on determining the extent to which gnatcatcher aggregations function as an interconnected metapopulation, with aggregations exchanging migrants across a fragmented landscape and freely capable of re-establishing in patches from which they have been previously extirpated. These data will be used in combination with habitat and corridor indices to determine whether genetic connectivity is facilitated by stepping stone arrays of suitable habitat, or whether birds are unable to move across unsuitable...


    map background search result map search result map FSA 10:1 NAIP Imagery m_3809228_ne_15_1_20140721_20141009 3.75 x 3.75 minute JPEG2000 from The National Map FSA 10:1 NAIP Imagery m_3809228_nw_15_1_20140709_20141009 3.75 x 3.75 minute JPEG2000 from The National Map FSA 10:1 NAIP Imagery m_3809228_se_15_1_20140724_20141009 3.75 x 3.75 minute JPEG2000 from The National Map FSA 10:1 NAIP Imagery m_3809228_sw_15_1_20140709_20141009 3.75 x 3.75 minute JPEG2000 from The National Map Genetic structure of California Gnatcatcher populations in southern California from 2012 through 2013 USGS 1:24000-scale Quadrangle for California South, MO 1951 USGS 1:24000-scale Quadrangle for California South, MO 1951 USGS 1:24000-scale Quadrangle for California South, MO 1951 Data supporting Landsat time series assessment of invasive annual grasses following energy development FSA 10:1 NAIP Imagery m_3809228_ne_15_1_20140721_20141009 3.75 x 3.75 minute JPEG2000 from The National Map FSA 10:1 NAIP Imagery m_3809228_nw_15_1_20140709_20141009 3.75 x 3.75 minute JPEG2000 from The National Map FSA 10:1 NAIP Imagery m_3809228_se_15_1_20140724_20141009 3.75 x 3.75 minute JPEG2000 from The National Map FSA 10:1 NAIP Imagery m_3809228_sw_15_1_20140709_20141009 3.75 x 3.75 minute JPEG2000 from The National Map USGS 1:24000-scale Quadrangle for California South, MO 1951 USGS 1:24000-scale Quadrangle for California South, MO 1951 USGS 1:24000-scale Quadrangle for California South, MO 1951 Genetic structure of California Gnatcatcher populations in southern California from 2012 through 2013 Data supporting Landsat time series assessment of invasive annual grasses following energy development