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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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Layered GeoPDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features.
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In summer 2018, a total of 43 passive seismic surveys were conducted in the Des Moines River floodplain. The horizontal-to-vertical spectral ratio (HVSR) method is a passive seismic technique that uses a three-component seismometer to measure the vertical and horizontal components of ambient seismic noise. A resonance frequency (f0) is induced in the unconsolidated deposits when there is a substantial contrast (greater than 2:1) in shear-wave acoustic impedance between the overburden and the bedrock. The f0 is determined from the analysis of the spectral ratio of the horizontal and vertical components of the seismic data. The thickness of the overburden can be related to the f0. In general, lower f0 relates to thicker...
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A suite of geophysical methods was used along the Des Moines River, Beaver Creek, and in the Des Moines River floodplain in Des Moines, Iowa to support the hydrogeologic characterization of the alluvial aquifer associated with the river. The aquifer consists of sands and gravels underlain by weathered shale bedrock. Groundwater from the aquifer along with surface water sources are used for municipal drinking water for the City of Des Moines and surrounding communities. The raw data provided in this data release are minimally processed to filter out erroneous measurements. Data provided in this data release includes continuous resistivity profiling (CRP) and continuous seismic profiling (CSP) that were collected...
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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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Layered GeoPDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features.
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Electrical resistivity tomography (ERT) surveys were collected in summer 2018 to support hydrogeologic characterization of the alluvial aquifer. For this investigation, 7 surveys were conducted with ERT methods. At each site three surveys were collected, including dipole-dipole (DD), Wenner-Schlumberger (WS), and Inverse Schlumberger (SI )configurations. For each survey a total of 56 electrodes spaced 5-meters (m) apart were used. During the ERT measurement, current is injected through two current electrodes and voltage is measured sequentially across multiple pairs of potential electrodes, which is used to determine the apparent resistivity of the subsurface. Results were combined into a merged dataset. ERT surveys...
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Geospatial data includes structures and other selected map features.
Tags: Adair, Adams, Allamakee, Appanoose, Audubon, All tags...


map background search result map search result map FSA 10:1 NAIP Imagery m_4009107_se_15_1_20150826_20151103 3.75 x 3.75 minute JPEG2000 from The National Map FSA 10:1 NAIP Imagery m_4009115_nw_15_1_20150826_20151103 3.75 x 3.75 minute JPEG2000 from The National Map FSA 10:1 NAIP Imagery m_3610310_se_13_1_20140614_20141030 3.75 x 3.75 minute JPEG2000 from The National Map USGS National Structures Dataset (NSD) Iowa (published 20221115) Shapefile USGS 1:24000-scale Quadrangle for Des Moines, WA 1949 USGS 1:250000-scale Quadrangle for Des Moines, IA 1969 USGS 1:62500-scale Quadrangle for Des Moines, IA 1907 USGS 1:62500-scale Quadrangle for Des Moines, IA 1907 USGS 1:62500-scale Quadrangle for Des Moines, IA 1907 USGS 1:100000-scale Quadrangle for Des Moines, IA 1984 USGS US Topo 7.5-minute map for Burlington, IA-IL 2015 USGS US Topo 7.5-minute map for Kingston, IA-IL 2010 USGS US Topo 7.5-minute map for Kingston, IA-IL 2015 USGS US Topo 7.5-minute map for Morning Sun, IA 2013 USGS US Topo 7.5-minute map for Morning Sun, IA 2015 USGS US Topo 7.5-minute map for Oakville, IA 2015 USGS US Topo 7.5-minute map for West Burlington, IA 2010 Geophysical Data Collected in the Des Moines River, Beaver Creek, and the Des Moines River Floodplain, Des Moines, Iowa, 2018 Electrical Resistivity Tomography (ERT) Surveys on the Des Moines River Floodplain, Des Moines, Iowa, 2018 Horizontal-to-Vertical Spectral Ratio (HVSR) Passive-seismic Data Collected in the Des Moines River Floodplain, Des Moines, Iowa, 2018 Geophysical Data Collected in the Des Moines River, Beaver Creek, and the Des Moines River Floodplain, Des Moines, Iowa, 2018 Electrical Resistivity Tomography (ERT) Surveys on the Des Moines River Floodplain, Des Moines, Iowa, 2018 Horizontal-to-Vertical Spectral Ratio (HVSR) Passive-seismic Data Collected in the Des Moines River Floodplain, Des Moines, Iowa, 2018 USGS 1:24000-scale Quadrangle for Des Moines, WA 1949 USGS US Topo 7.5-minute map for Burlington, IA-IL 2015 USGS US Topo 7.5-minute map for Kingston, IA-IL 2010 USGS US Topo 7.5-minute map for Kingston, IA-IL 2015 USGS US Topo 7.5-minute map for Morning Sun, IA 2013 USGS US Topo 7.5-minute map for Morning Sun, IA 2015 USGS US Topo 7.5-minute map for Oakville, IA 2015 USGS US Topo 7.5-minute map for West Burlington, IA 2010 USGS 1:62500-scale Quadrangle for Des Moines, IA 1907 USGS 1:62500-scale Quadrangle for Des Moines, IA 1907 USGS 1:62500-scale Quadrangle for Des Moines, IA 1907 USGS 1:100000-scale Quadrangle for Des Moines, IA 1984 USGS 1:250000-scale Quadrangle for Des Moines, IA 1969 USGS National Structures Dataset (NSD) Iowa (published 20221115) Shapefile