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Secchi disk
Results: 380

#	Item
291	HOW TO MAKE A SECCHI DISK MATERIALS: • 20 cm diameter circle of acrylic disk 3/8” or 1/2” in thickness (aluminum or steel may be substituted, but wood is not recommended) • 15 cm circle or square of 1/8” galvan Add to Reading List Source URL: des.nh.gov Language: English - Date: 2013-03-10 05:00:00 Chemistry Corrosion Washer Galvanization Nut Wire rope Rust Secchi disk Screw Construction Fasteners Technology
292	University of Rhode Island Watershed Watch SALT PONDS MONITORING MANUAL for The Great Salt Pond, Block Island Add to Reading List Source URL: www.uri.edu Language: English - Date: 2013-04-11 12:54:54 Chemistry Water Water management Water pollution Water quality Secchi disk Soft matter Matter Environmental science
293	Microsoft PowerPoint - linmology_program0107.ppt Add to Reading List Source URL: ndep.nv.gov Language: English - Date: 2007-01-25 16:04:23 Oceanography Planktology Biology Phytoplankton Plankton Turbidity Secchi disk Zooplankton Nutrient Water Aquatic ecology Biological oceanography
294	Station 2: Water Testing Perform a series of water quality tests that help to understand healthy and unhealthy changes in the river, which affect the plants and animals seen at other stations. Add to Reading List Source URL: www.serc.si.edu Language: English - Date: 2012-03-27 15:47:09 Water pollution Fisheries science Environmental science Turbidity Secchi disk Water quality Seawater PH Properties of water Chemistry Water Chemical oceanography
295	USE OF THE INDIANA TROPHIC STATE INDEX Add to Reading List Source URL: www.in.gov Language: English - Date: 2014-07-17 15:33:23 Environment Lakes Limnology Environmental science Fisheries Trophic state index Secchi disk Eutrophication Phosphorus Water Water pollution Earth
296	Northeast Temperate Network Inventory & Monitoring Program Marsh-Billings-Rockefeller National Historical Park National Park Service U.S. Department of the Interior Add to Reading List Source URL: www.nps.gov Language: English - Date: 2013-09-27 09:50:10 Earth Water quality Secchi disk Turbidity Lake Surface runoff Water Water pollution Chemistry
297	TIER II AQUATIC VEGETATION SURVEY PROTOCOL Indiana Department of Natural Resources Division of Fish and Wildlife 402 W. Washington St. Rm W-273 Add to Reading List Source URL: www.in.gov Language: English - Date: 2014-07-17 15:32:53 Water pollution Aquatic plants Invasive plant species Myriophyllum Secchi disk Sampling Trophic state index Lake Water Fisheries science Environmental science
298	Instructions for the Transparency/Turbidity Station History & Use: The Secchi (pronounced ‘sek-e’) disk was invented by Italian Astronomer Pietro Angelo Secchi in the 1860s to measure how far a person could see down Add to Reading List Source URL: seagrant.uaf.edu Language: English - Date: 2009-08-15 10:41:47 Water pollution Chemistry Turbidity Angelo Secchi Lake Water Fisheries science Secchi disk
299	Measuring Water Clarity and Quality in Minnesota Lakes and Rivers: A Census-Based Approach Using Remote-Sensing Techniques by Patrick L. Brezonik, Leif G. Olmanson, Marvin E. Bauer, and Steven M. Kloiber Photo © The Reg Add to Reading List Source URL: water.umn.edu Language: English - Date: 2007-10-15 18:42:27 Fisheries science Secchi disk Lake Satellite imagery Wetland Remote sensing Turbidity Landsat program Google Earth Water Software Earth
300	Microsoft Word - ChloroDataForm1-14 Add to Reading List Source URL: www.micorps.net Language: English - Date: 2014-03-05 13:40:54 Sampling Sample Signal processing Fisheries science Secchi disk

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