The St. Marys River - Little Rapids Cut Ice Boom: Winter of 1983-1984
An ice boom at the head of Little Rapids Cut was first installed as part of the Great Lakes and St. Lawrence Seaway Navigation Season Extension Demonstration Program. to help stabilize the ice cover in Sault Harbor and thus moderate ice problems in Little Rapids Cut and act as an aid to winter navig...
Other Authors: | |
---|---|
Format: | Text |
Language: | English |
Published: |
1984
|
Subjects: | |
Online Access: | http://www.dtic.mil/docs/citations/ADA213836 http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA213836 |
id |
ftdtic:ADA213836 |
---|---|
record_format |
openpolar |
spelling |
ftdtic:ADA213836 2023-05-15T16:37:11+02:00 The St. Marys River - Little Rapids Cut Ice Boom: Winter of 1983-1984 CORPS OF ENGINEERS DETROIT MI DETROIT DISTRICT 1984-11 text/html http://www.dtic.mil/docs/citations/ADA213836 http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA213836 en eng http://www.dtic.mil/docs/citations/ADA213836 Approved for public release; distribution is unlimited. DTIC AND NTIS Snow Ice and Permafrost Marine Engineering *ICE PREVENTION *CUTTING *BOOMS(EQUIPMENT) *INLAND WATERWAYS RELIABILITY WINTER NAVIGATION LEVEL(QUANTITY) ACCUMULATION ELECTRIC POWER PLANTS ISLANDS GREAT LAKES HYDROELECTRICITY WATER DEMONSTRATIONS TRANSPORTATION STABILIZATION THICKNESS SAINT MARYS RIVER(MICHIGAN) ICE COVER Text 1984 ftdtic 2016-02-23T04:23:23Z An ice boom at the head of Little Rapids Cut was first installed as part of the Great Lakes and St. Lawrence Seaway Navigation Season Extension Demonstration Program. to help stabilize the ice cover in Sault Harbor and thus moderate ice problems in Little Rapids Cut and act as an aid to winter navigation. Upon conclusion of the Demonstration Program, a decision was made to reinstall the ice boom each winter for an indefinite period. Authority for installation of the ice boom was given to the Sault Area Office as part of its regular operations. This report documents the operation of the Little Rapids Cut boom during the 1983 - 1984 winter season. The boom system stabilized the ice cover in Sault Harbor, reducing the extent of ice accumulation in Little Rapids Cut and reducing the amount of ice in the Sugar Island ferry crossing. Thus, the likelihood of emergency cutbacks in the outflow from Lake Superior that would cause power losses at the hydropower plants has lessened. Also, the boom has contributed to more reliable winter transportation between Sugar Island and the mainland. Keywords: Ice boom; Water levels; Flows and ice thickness; Soo Harbor; Little Rapids Cut. Text Ice permafrost Defense Technical Information Center: DTIC Technical Reports database Little Rapids ENVELOPE(-111.185,-111.185,58.917,58.917) St. Marys River ENVELOPE(-55.839,-55.839,52.312,52.312) Sugar Island ENVELOPE(-87.700,-87.700,55.967,55.967) |
institution |
Open Polar |
collection |
Defense Technical Information Center: DTIC Technical Reports database |
op_collection_id |
ftdtic |
language |
English |
topic |
Snow Ice and Permafrost Marine Engineering *ICE PREVENTION *CUTTING *BOOMS(EQUIPMENT) *INLAND WATERWAYS RELIABILITY WINTER NAVIGATION LEVEL(QUANTITY) ACCUMULATION ELECTRIC POWER PLANTS ISLANDS GREAT LAKES HYDROELECTRICITY WATER DEMONSTRATIONS TRANSPORTATION STABILIZATION THICKNESS SAINT MARYS RIVER(MICHIGAN) ICE COVER |
spellingShingle |
Snow Ice and Permafrost Marine Engineering *ICE PREVENTION *CUTTING *BOOMS(EQUIPMENT) *INLAND WATERWAYS RELIABILITY WINTER NAVIGATION LEVEL(QUANTITY) ACCUMULATION ELECTRIC POWER PLANTS ISLANDS GREAT LAKES HYDROELECTRICITY WATER DEMONSTRATIONS TRANSPORTATION STABILIZATION THICKNESS SAINT MARYS RIVER(MICHIGAN) ICE COVER The St. Marys River - Little Rapids Cut Ice Boom: Winter of 1983-1984 |
topic_facet |
Snow Ice and Permafrost Marine Engineering *ICE PREVENTION *CUTTING *BOOMS(EQUIPMENT) *INLAND WATERWAYS RELIABILITY WINTER NAVIGATION LEVEL(QUANTITY) ACCUMULATION ELECTRIC POWER PLANTS ISLANDS GREAT LAKES HYDROELECTRICITY WATER DEMONSTRATIONS TRANSPORTATION STABILIZATION THICKNESS SAINT MARYS RIVER(MICHIGAN) ICE COVER |
description |
An ice boom at the head of Little Rapids Cut was first installed as part of the Great Lakes and St. Lawrence Seaway Navigation Season Extension Demonstration Program. to help stabilize the ice cover in Sault Harbor and thus moderate ice problems in Little Rapids Cut and act as an aid to winter navigation. Upon conclusion of the Demonstration Program, a decision was made to reinstall the ice boom each winter for an indefinite period. Authority for installation of the ice boom was given to the Sault Area Office as part of its regular operations. This report documents the operation of the Little Rapids Cut boom during the 1983 - 1984 winter season. The boom system stabilized the ice cover in Sault Harbor, reducing the extent of ice accumulation in Little Rapids Cut and reducing the amount of ice in the Sugar Island ferry crossing. Thus, the likelihood of emergency cutbacks in the outflow from Lake Superior that would cause power losses at the hydropower plants has lessened. Also, the boom has contributed to more reliable winter transportation between Sugar Island and the mainland. Keywords: Ice boom; Water levels; Flows and ice thickness; Soo Harbor; Little Rapids Cut. |
author2 |
CORPS OF ENGINEERS DETROIT MI DETROIT DISTRICT |
format |
Text |
title |
The St. Marys River - Little Rapids Cut Ice Boom: Winter of 1983-1984 |
title_short |
The St. Marys River - Little Rapids Cut Ice Boom: Winter of 1983-1984 |
title_full |
The St. Marys River - Little Rapids Cut Ice Boom: Winter of 1983-1984 |
title_fullStr |
The St. Marys River - Little Rapids Cut Ice Boom: Winter of 1983-1984 |
title_full_unstemmed |
The St. Marys River - Little Rapids Cut Ice Boom: Winter of 1983-1984 |
title_sort |
st. marys river - little rapids cut ice boom: winter of 1983-1984 |
publishDate |
1984 |
url |
http://www.dtic.mil/docs/citations/ADA213836 http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA213836 |
long_lat |
ENVELOPE(-111.185,-111.185,58.917,58.917) ENVELOPE(-55.839,-55.839,52.312,52.312) ENVELOPE(-87.700,-87.700,55.967,55.967) |
geographic |
Little Rapids St. Marys River Sugar Island |
geographic_facet |
Little Rapids St. Marys River Sugar Island |
genre |
Ice permafrost |
genre_facet |
Ice permafrost |
op_source |
DTIC AND NTIS |
op_relation |
http://www.dtic.mil/docs/citations/ADA213836 |
op_rights |
Approved for public release; distribution is unlimited. |
_version_ |
1766027480079007744 |