BIRDS EYE 7-69, 21 October-5 November 1969.
BIRDS EYE 7-69 was a regularly scheduled Arctic Ocean Ice reconnaissance mission covering the North American sector of the Arctic Basin, including the Greenland Sea and Denmark Strait from 21 October to 5 November 1969. Ice observations were taken under daylight conditions in lower latitudes and in...
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1970
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ftdtic:AD0871778 2023-05-15T14:29:13+02:00 BIRDS EYE 7-69, 21 October-5 November 1969. Jerdon, H. P. Freeman, R. F. NAVAL OCEANOGRAPHIC OFFICE NSTL STATION MS 1970-04 text/html http://www.dtic.mil/docs/citations/AD0871778 http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=AD0871778 en eng http://www.dtic.mil/docs/citations/AD0871778 APPROVED FOR PUBLIC RELEASE DTIC AND NTIS Meteorology Snow Ice and Permafrost (*AERIAL RECONNAISSANCE SEA ICE) (*SEA ICE ARCTIC REGIONS) AERIAL PHOTOGRAPHS FLIGHT PATHS ICE ISLANDS METEOROLOGICAL RADAR WEATHER FORECASTING RADAR IMAGES FREEZING MELTING THICKNESS DENMARK STRAITS ALASKA GREENLAND SEA ARCTIC OCEAN *BIRDS EYE PROJECT FLETCHER'S ICE ISLAND Text 1970 ftdtic 2016-02-19T06:19:08Z BIRDS EYE 7-69 was a regularly scheduled Arctic Ocean Ice reconnaissance mission covering the North American sector of the Arctic Basin, including the Greenland Sea and Denmark Strait from 21 October to 5 November 1969. Ice observations were taken under daylight conditions in lower latitudes and in moonlight at higher latitudes. Three tracks were flown as planned; the remaining tracks were modified or cancelled owing to adverse weather or poor illumination. The ice edge east of Greenland was 15 to 25 nautical miles south of its normal position. Large amounts of new, nilas, and young ice lay behind the edge. New ridges were observed within the pack northwest of Alaska. Radarscope photographs of T-3 located near 85 deg 56 min N, 121 deg 51 min W are included. Russian ice station NP-17 sighted at 87 deg 30 min N, 11 deg 00 min E appeared to be abandoned. (Author) Text Arctic Basin Arctic Arctic Ocean Denmark Strait Greenland Greenland Sea Ice permafrost Sea ice Alaska Defense Technical Information Center: DTIC Technical Reports database Arctic Arctic Ocean Greenland |
institution |
Open Polar |
collection |
Defense Technical Information Center: DTIC Technical Reports database |
op_collection_id |
ftdtic |
language |
English |
topic |
Meteorology Snow Ice and Permafrost (*AERIAL RECONNAISSANCE SEA ICE) (*SEA ICE ARCTIC REGIONS) AERIAL PHOTOGRAPHS FLIGHT PATHS ICE ISLANDS METEOROLOGICAL RADAR WEATHER FORECASTING RADAR IMAGES FREEZING MELTING THICKNESS DENMARK STRAITS ALASKA GREENLAND SEA ARCTIC OCEAN *BIRDS EYE PROJECT FLETCHER'S ICE ISLAND |
spellingShingle |
Meteorology Snow Ice and Permafrost (*AERIAL RECONNAISSANCE SEA ICE) (*SEA ICE ARCTIC REGIONS) AERIAL PHOTOGRAPHS FLIGHT PATHS ICE ISLANDS METEOROLOGICAL RADAR WEATHER FORECASTING RADAR IMAGES FREEZING MELTING THICKNESS DENMARK STRAITS ALASKA GREENLAND SEA ARCTIC OCEAN *BIRDS EYE PROJECT FLETCHER'S ICE ISLAND Jerdon, H. P. Freeman, R. F. BIRDS EYE 7-69, 21 October-5 November 1969. |
topic_facet |
Meteorology Snow Ice and Permafrost (*AERIAL RECONNAISSANCE SEA ICE) (*SEA ICE ARCTIC REGIONS) AERIAL PHOTOGRAPHS FLIGHT PATHS ICE ISLANDS METEOROLOGICAL RADAR WEATHER FORECASTING RADAR IMAGES FREEZING MELTING THICKNESS DENMARK STRAITS ALASKA GREENLAND SEA ARCTIC OCEAN *BIRDS EYE PROJECT FLETCHER'S ICE ISLAND |
description |
BIRDS EYE 7-69 was a regularly scheduled Arctic Ocean Ice reconnaissance mission covering the North American sector of the Arctic Basin, including the Greenland Sea and Denmark Strait from 21 October to 5 November 1969. Ice observations were taken under daylight conditions in lower latitudes and in moonlight at higher latitudes. Three tracks were flown as planned; the remaining tracks were modified or cancelled owing to adverse weather or poor illumination. The ice edge east of Greenland was 15 to 25 nautical miles south of its normal position. Large amounts of new, nilas, and young ice lay behind the edge. New ridges were observed within the pack northwest of Alaska. Radarscope photographs of T-3 located near 85 deg 56 min N, 121 deg 51 min W are included. Russian ice station NP-17 sighted at 87 deg 30 min N, 11 deg 00 min E appeared to be abandoned. (Author) |
author2 |
NAVAL OCEANOGRAPHIC OFFICE NSTL STATION MS |
format |
Text |
author |
Jerdon, H. P. Freeman, R. F. |
author_facet |
Jerdon, H. P. Freeman, R. F. |
author_sort |
Jerdon, H. P. |
title |
BIRDS EYE 7-69, 21 October-5 November 1969. |
title_short |
BIRDS EYE 7-69, 21 October-5 November 1969. |
title_full |
BIRDS EYE 7-69, 21 October-5 November 1969. |
title_fullStr |
BIRDS EYE 7-69, 21 October-5 November 1969. |
title_full_unstemmed |
BIRDS EYE 7-69, 21 October-5 November 1969. |
title_sort |
birds eye 7-69, 21 october-5 november 1969. |
publishDate |
1970 |
url |
http://www.dtic.mil/docs/citations/AD0871778 http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=AD0871778 |
geographic |
Arctic Arctic Ocean Greenland |
geographic_facet |
Arctic Arctic Ocean Greenland |
genre |
Arctic Basin Arctic Arctic Ocean Denmark Strait Greenland Greenland Sea Ice permafrost Sea ice Alaska |
genre_facet |
Arctic Basin Arctic Arctic Ocean Denmark Strait Greenland Greenland Sea Ice permafrost Sea ice Alaska |
op_source |
DTIC AND NTIS |
op_relation |
http://www.dtic.mil/docs/citations/AD0871778 |
op_rights |
APPROVED FOR PUBLIC RELEASE |
_version_ |
1766303289604833280 |