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Location Folder Show Tree ROOT ScienceBase Catalog Users Filters Date Range Past year (0) Past month (0) Past week (0) Past day (0) Custom range... To   Search Extensions Citation (1) Shapefile (1) Types Map Service (2) OGC WFS Layer (2) OGC WMS Layer (2) Downloadable (1) OGC WMS Service (1) Shapefile (1) Contacts Anthony L Everette Fort Collins Science Center Western Ecological Research Center John L Faundeen Cristiana I Falvo More... Categories Data (2) Publication (1) Tag Types Place (1) Theme (2) Harvest Set (1) Tag Schemes Common Geographic Areas (1) None (2) USGS Thesaurus (2) ISO 19115 Topic Category (1) View Results as: JSON ATOM CSV Browse Folder

Bathythermograph Data, Lake Michigan, 1954 In 1954 researchers at the USGS Great Lakes Science Center conducted 11 research cruises on Lake Michigan during which 779 bathythermographs were cast to collect temperature profile data (temperature at depth). Bathythermographs of that era recorded water pressure and temperature data by mechanically etching them as a curve on a glass slide. Data was collected from the glass slide by projecting the image of the curve, superimposing a grid, and taking a photo of it, thereby creating a bathythermogram. Data collection personnel could then read the data from the curve. This USGS data release is a digitized set of those original bathythermogram print photos and the temperature and depth data the project team collected... Categories: Data; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Great Lakes, Lake Michigan, USGS Science Data Catalog (SDC), bathythermogram, bathythermograph, All tags... effects of climate change, temperature profile, Fewer tags River Channel Survey Data, Redwood Creek, California, 1953-2013 Dr. Richard Janda of the USGS began a channel monitoring program in Redwood Creek in northern coastal California in 1973. The USGS continued this work through 2013, when the Research Geologist, Dr. Mary Madej retired. This effort produced 40 years of channel change data in rivers that were disrupted by severe erosion following timber harvest of old-growth redwood forests, a portion of the program's data (plus 1953 data) has been preserved in this data release. Original field surveys documented bank erosion, aggradation, and degradation at 60 cross-sectional transects at annual or biannual timesteps. Three river reaches also have long-term longitudinal channel bed surveys which document the distribution and development... Categories: Data, Publication; Types: Citation, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: 44 Creek, Bond Creek, California, Dolason Creek, Elam Creek, All tags... Emerald Creek, Forty-four Creek, Fortyfour Creek, Harry Wier Creek, Hayes Creek, Humboldt, Redwood Creek, Redwood National Park, United States, cross section survey, fluvial geomorphology, geomorphology, geoscientificInformation, longitudinal survey, river channel surveys, watershed management, watershed restoration, Fewer tags