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Record #164650:
Blue-ice areas in Antarctica derived from NOAA AVHRR satellite data / Jan-Gunnar Winther, Martin Nørman Jespersen, Glen E. Liston.
Title: | Blue-ice areas in Antarctica derived from NOAA AVHRR satellite data / Jan-Gunnar Winther, Martin Nørman Jespersen, Glen E. Liston. |
Author(s): | Winther, Jan-Gunnar. Jespersen, Martin Nørman. Liston, Glen E. |
Date: | 2001. |
In: | Journal of Glaciology. (2001.), Vol. 47(157) (2001) |
Abstract: | Uses NOAA AVHRR mosaic to locate and quantify blue ice areas (BIAs). Aims to aid future assessment of contribution from surface and near surface melt to Antarctic mass balance. May also serve as benchmark against which future measurements may indicate regional climate change. Uses ground truth from Dronning Maud Land and Lambert Glacier/Amery Ice Shelf and Landsat Thematic Mapper data with high spatial resolution to provide reference data for blue-ice classification using AVHRR. Overall finds AVHRR band1/band2 image ratio most appropriate discriminator, using specific algorithms for each scene in mosaic. Hindered by using digital numbers from processed AVHRR mosaic rather than original radiance values. Presents results in tabular and graphical forms classified as wind-induced, melt-induced or potential/uncertain BIAs. Identifies 120 000 km² of blue ice and a similar area that may be blue ice. |
Notes: | Journal of Glaciology. Vol. 47(157) :325-334 (2001). |
Keywords: | 551.324 -- Land ice. 551.324.4 -- Land ice, mass and energy balance. 53.087.23 -- Remote sensing. 551.32 -- Glaciology. E5 -- Glaciology: land ice. (*7) -- Antarctic regions. (*73) -- Dronning Maud Land. (*743.7) -- Lambert Basin. |
SPRI record no.: | 164650 |
LDR 01943naa#a2200000#a#4500 001 SPRI-164650 005 20240328165349.0 007 ta 008 240328s2001####xx#a##|##|###|0||#0|eng#d 035 ## ‡aSPRI-164650 040 ## ‡aUkCU-P‡beng‡eaacr 100 1# ‡aWinther, Jan-Gunnar. 245 10 ‡aBlue-ice areas in Antarctica derived from NOAA AVHRR satellite data /‡cJan-Gunnar Winther, Martin Nørman Jespersen, Glen E. Liston. 260 ## ‡a[S.l.] :‡b[s.n.],‡c2001. 300 ## ‡ap. 325-334 :‡bill., diags., tables. 500 ## ‡aJournal of Glaciology. Vol. 47(157) :325-334 (2001). 520 3# ‡aUses NOAA AVHRR mosaic to locate and quantify blue ice areas (BIAs). Aims to aid future assessment of contribution from surface and near surface melt to Antarctic mass balance. May also serve as benchmark against which future measurements may indicate regional climate change. Uses ground truth from Dronning Maud Land and Lambert Glacier/Amery Ice Shelf and Landsat Thematic Mapper data with high spatial resolution to provide reference data for blue-ice classification using AVHRR. Overall finds AVHRR band1/band2 image ratio most appropriate discriminator, using specific algorithms for each scene in mosaic. Hindered by using digital numbers from processed AVHRR mosaic rather than original radiance values. Presents results in tabular and graphical forms classified as wind-induced, melt-induced or potential/uncertain BIAs. Identifies 120 000 km² of blue ice and a similar area that may be blue ice. 650 07 ‡a551.324 -- Land ice.‡2udc 650 07 ‡a551.324.4 -- Land ice, mass and energy balance.‡2udc 650 07 ‡a53.087.23 -- Remote sensing.‡2udc 650 07 ‡a551.32 -- Glaciology.‡2udc 650 07 ‡aE5 -- Glaciology: land ice.‡2local 651 #7 ‡a(*7) -- Antarctic regions.‡2udc 651 #7 ‡a(*73) -- Dronning Maud Land.‡2udc 651 #7 ‡a(*743.7) -- Lambert Basin.‡2udc 700 1# ‡aJespersen, Martin Nørman. 700 1# ‡aListon, Glen E. 773 0# ‡7nnas ‡tJournal of Glaciology. ‡gVol. 47(157) (2001) ‡wSPRI-20534 917 ## ‡aUnenhanced record from Muscat, imported 2019 948 3# ‡a20240328