NOAA - Great Lakes Environmental Research Laboratory

OE Lake Huron Sinkhole Exploration

Cruise Information

2008/2009 Field Operations Logs

Month	Date	Chief Scientist	Location
may	5/22/08	Hawley, GLERL	MI, IS
june/july	6/18-19/08 7/30/08	Novell, WSU	MI to shore transect
july1	7/31/08	Hawley, GLERL	MI
july2	7/31/08	Ruberg, GLERL	MI
august	8/5-6/08	Ruberg, GLERL	BH, MI
september	9/10/08	Hawley, GLERL	MI, IS, LS
october	10/14/08	Ruberg, GLERL	BH
june1	6/2/09	Biddanda, GVSU	MI
june2	6/2-4/09	Ruberg, GLERL	IS

blank oplog sheet

Geographic/UTM Coordinate Converter

The Universal Transverse Mercator (UTM) coordinate system was used to record many locations for this project. To convert between geographic coordinates and UTM coordinates use this form:

Geographic (degrees decimal)	UTM
lon	x
lat	y
	zone	(zone for Lake Huron: 17)
	hemisphere N S

Geographic coordinates are entered and displayed in decimal degrees. Negative longitudes indicate western hemisphere. UTM coordinates are entered and displayed in meters.
The ellipsoid model used for computations is WGS84.

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