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Great Lakes Ice Climatology Update Winters 2006 2011 Description Of The Digital Ice Cover Dataset

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Great Lakes Ice Climatology Update Winters 2006 2011 Description Of The Digital Ice Cover Dataset

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Author : Jia Wang
language : en
Publisher:
Release Date : 2012

Great Lakes Ice Climatology Update Winters 2006 2011 Description Of The Digital Ice Cover Dataset written by Jia Wang and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Ice on rivers, lakes, etc categories.

"A 6-winter digital ice cover data set consisting of 389 ice charts of total ice concentration (the fraction of a unit of surface area covered by ice), was downloaded from the National Ice Center (NIC) website, http://www.natice.noaa.gov/products/great_lakes.html. This report updates GLERL's 33-winter ice climatology dataset for total ice concentration (Assel 2003, Assel 2005). Data processing and quality control procedures, file structure, format, and naming conventions are described. The data are available as fixed formatted ASCII grids (2.55 km for winter 2006 and 1.275 km for winters 2007-2011) and has been converted to ArcMap feature classes for GIS users. Temporal distribution of the ice charts is summarized in tables. A planned companion report will contain an analysis of these data including spatial patterns of dates of first ice, last ice, ice duration, and ice concentration anomalies [relative to a 30-winter (1973-2002) base period] for each lake by winter season. It will also contain lake averages of total ice cover concentration that portray the seasonal progression of ice cover each winter. Since the last updated ice atlas (Assel 2005), there has been significant change in ice cover on the Great Lakes. This update of the ice atlas should be useful to the research community as well as others who rely on Great Lakes ice data for planning purposes. The technical memorandum that updated the ice atlas for winters 2003, 2004, and 2005 (Assel 2005) did not include ArcGIS feature classes, so those are included here."--Introduction.

Analysis Of Great Lakes Ice Cover Climatology

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Author : Raymond A. Assel
language : en
Publisher:
Release Date : 2013

Analysis Of Great Lakes Ice Cover Climatology written by Raymond A. Assel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with Ice on rivers, lakes, etc categories.

"A 33-winter ice concentration climatology (Assel 2003a, Assel 2005a) was recently updated for winters 2006-2011 (Wang et al. 2012a). This report provides an analysis of the 2006-2011 ice cycles within the context of: dates of first (last) ice, ice duration, ice cover distribution, ice cover anomalies, and seasonal progression of lake-averaged ice cover. Analysis data are available as ASCII and graphic files"--Abstract.

Analysis Of Great Lakes Ice Cover Climatology

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Author : Raymond A. Assel
language : en
Publisher:
Release Date : 2013

A Great Lakes Ice Cover Digital Data Set For Winters 1973 2000

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Author : Raymond A. Assel
language : en
Publisher:
Release Date : 2002

A Great Lakes Ice Cover Digital Data Set For Winters 1973 2000 written by Raymond A. Assel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Great Lakes (North America) categories.

Great Lakes Ice Cover Climatology Update

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Author : Raymond A. Assel
language : en
Publisher:
Release Date : 2005

Great Lakes Ice Cover Climatology Update written by Raymond A. Assel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Ice on rivers, lakes, etc categories.

A Computerized Ice Concentration Data Base For The Great Lakes

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Author : Raymond A. Assel
language : en
Publisher:
Release Date : 1983

A Computerized Ice Concentration Data Base For The Great Lakes written by Raymond A. Assel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Databases categories.

A 20-winter computerized ice concentration data base was established for the Great Lakes. This report describes the computerized data set and an ice concentration climatology developed from it. Data reduction and analysis procedures, computer file structure and record format, and availability of the data are given.