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Arctic Ice Chart, March 18, 1968

Identification Information
Citation
Publication Date
20030101
Title
Arctic Ice Chart, March 18, 1968
Geospatial Data Presentation Form
vector digital data
Collection Title
ACSYS Historical Ice Chart Archive
Publication Information
Publisher
Arctic Climate System (ACSYS)
Other Citation Details
Retrieved from http://www.climate-cryosphere.org/resources/historical-ice-chart-archive/gis-data on Friday, February 26, 2016.
Online Linkage
http://purl.stanford.edu/mq064bw4346
Abstract
This polygon shapefile contains ice observations in the Arctic region for March 18, 1968.
Purpose
The ACSYS Historical Ice Chart Archive presents historical sea-ice observations in the Arctic region between 30ºW and 70ºE. The earliest chart dates from 1553, and the most recent from December 2002.
Supplemental Information
Vessels sailing to the Arctic to explore or to hunt whales and seals made early sea-ice observations. Over the centuries, technological advances and commercial opportunities in the Arctic led to more frequent and regular sea-ice observations, with associated increasing accuracy. As sailing ships gave way to steam powered vessels, and with the advent of aircraft and satellites, regular mapping of sea ice conditions became an organized activity. From 1967 onwards, hand drawn weekly charts were produced, showing not only an ice edge, but also concentrations of sea ice within the ice pack. Since July 1997, improved technology allowed daily production of digital sea ice maps on workdays.
Temporal Extent
Currentness Reference
ground condition
Time Instant
19680318
Bounding Box
West
-30.000005
East
80.000003
North
85.000001
South
63.785114
Theme Keyword
Sea ice
Theme Keyword Thesaurus
lcsh
Theme Keyword
climatologyMeteorologyAtmosphere
oceans
Theme Keyword Thesaurus
ISO 19115 Topic Categories
Place Keyword
Arctic Ocean
Place Keyword Thesaurus
naf
Temporal Keyword
Access Restrictions
If you use this data, please refer to it using this citation: ACSYS, 2003. ACSYS Historical Ice Chart Archive (1553-2002). IACPO Informal Report No. 8. Tromsø, Norway: Arctic Climate System Study.
Use Restrictions
None
Status
Complete
Maintenance and Update Frequency
As needed
Point of Contact
Contact Organization
Norwegian Polar Institute
Contact Electronic Mail Address
info@climate-cryosphere.org
Native Data Set Environment
Microsoft Windows 7 Version 6.1 (Build 7601) Service Pack 1; Esri ArcGIS 10.3.1.4959
Collection
Title
ACSYS Historical Ice Chart Archive
Spatial Data Organization Information
Direct Spatial Reference Method
Vector
Point and Vector Object Information
SDTS Terms Description
SDTS Point and Vector Object Type
GT-polygon composed of chains
Point and Vector Object Count
5
Entity and Attribute Information
Entity Type
Entity Type Label
ice19680318
Attributes
FID
Internal feature number. (Sequential unique whole numbers that are automatically generated.)
Definition Source
Esri
Shape
Feature geometry. (Coordinates defining the features.)
Definition Source
Esri
ICE680318_
ICE6803181
ICE_COND
Ice concentration codes for ice charts from 1550-1997, given by the first two numbers attached to each line (Number: Concentration, Description): 01 : 10/10 Fast ice | 02 : 9/10 - 10/10 | 03 : 7/10 - 8/10
SOURCE
Data source used for compilation of ice charts 0-or-1 Satellite pictures (after 1966). 02 US ice maps (Birds Eye aircraft 1960-1971 and Joint Ice Center from 1972) 03 Other second hand sources
AREA
PERIMETER
ICE_TYPE
Distribution Information
Distributor
Stanford Geospatial Center
Name
Metadata Reference Information
Metadata Date
20170505
Metadata Contact
Contact Information
Contact Organization Primary
Contact Organization
Stanford Geospatial Center
Contact Address
Address
Branner Earth Sciences Library
Address
Mitchell Building, 2nd Floor
Address
397 Panama Mall
City
Stanford
State or Province
California
Postal Code
94305
Contact Voice Telephone
650-723-2746
Contact Electronic Mail Address
brannerlibrary@stanford.edu
Metadata Standard Name
FGDC Content Standard for Digital Geospatial Metadata
Metadata Standard Version
FGDC-STD-001-1998

Arctic Ice Chart, March 18, 1968

Identification Information

Citation
Title
Arctic Ice Chart, March 18, 1968
Publisher
Arctic Climate System (ACSYS)
Publication Date
2003-01-01
Identifier
http://purl.stanford.edu/mq064bw4346
Geospatial Data Presentation Form
mapDigital
Collection Title
ACSYS Historical Ice Chart Archive
Other Citation Details
Retrieved from http://www.climate-cryosphere.org/resources/historical-ice-chart-archive/gis-data on Friday, February 26, 2016.
Abstract
This polygon shapefile contains ice observations in the Arctic region for March 18, 1968.
Purpose
The ACSYS Historical Ice Chart Archive presents historical sea-ice observations in the Arctic region between 30ºW and 70ºE. The earliest chart dates from 1553, and the most recent from December 2002.
Supplemental Information
Vessels sailing to the Arctic to explore or to hunt whales and seals made early sea-ice observations. Over the centuries, technological advances and commercial opportunities in the Arctic led to more frequent and regular sea-ice observations, with associated increasing accuracy. As sailing ships gave way to steam powered vessels, and with the advent of aircraft and satellites, regular mapping of sea ice conditions became an organized activity. From 1967 onwards, hand drawn weekly charts were produced, showing not only an ice edge, but also concentrations of sea ice within the ice pack. Since July 1997, improved technology allowed daily production of digital sea ice maps on workdays.
Scale Denominator
24000
Temporal Extent
Currentness Reference
ground condition
Time Instant
1968-03-18T00:00:00
Bounding Box
West
-30.000005
East
80.000003
North
85.000001
South
63.785114
ISO Topic Category
climatologyMeteorologyAtmosphere
oceans
Place Keyword
Arctic Ocean
Place Keyword Thesaurus
naf
Theme Keyword
Sea ice
Theme Keyword Thesaurus
lcsh
Legal Constraints
Use Restrictions
otherRestrictions
Other Restrictions
If you use this data, please refer to it using this citation: ACSYS, 2003. ACSYS Historical Ice Chart Archive (1553-2002). IACPO Informal Report No. 8. Tromsø, Norway: Arctic Climate System Study.
Status
completed
Maintenance and Update Frequency
asNeeded
Collection
Collection Title
ACSYS Historical Ice Chart Archive
URL
http://purl.stanford.edu/vc538rj6879
Language
eng
Point of Contact
Contact
Norwegian Polar Institute
Email
info@climate-cryosphere.org

Spatial Reference Information

Reference System Identifier
Code
4326
Code Space
EPSG
Version
8.6.2

Data Quality Information

Distribution Information

Format Name
Shapefile
Distributor
Stanford Geospatial Center
Online Access
http://purl.stanford.edu/mq064bw4346
Protocol
http
Name
ice19680318.shp

Content Information

Feature Catalog Description
Compliance Code
false
Language
eng
Included With Dataset
true
Feature Catalog Citation
Title
Feature catalog for Arctic Ice Chart, March 18, 1968
Publication Date
2004-12-01
Feature Catalog Identifier
073c0f92-4132-4773-a1c3-b39af9e37cac

Spatial Representation Information

Vector
Topology Level
geometryOnly
Vector Object Type
composite
Vector Object Count
5

Metadata Reference Information

Hierarchy Level
dataset
Metadata File Identifier
edu.stanford.purl:mq064bw4346
Parent Identifier
http://purl.stanford.edu/vc538rj6879.mods
Dataset URI
http://purl.stanford.edu/mq064bw4346
Metadata Date Stamp
2017-05-05
Metadata Standard Name
ISO 19139 Geographic Information - Metadata - Implementation Specification
Metadata Standard Version
2007
Character Set
utf8
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