IRIAN JAYA, INDONESIA, and NEW ZEALAND

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Small glaciers have a short-response time to climatic changes (Chinn, 1975). A comparative study of photographs taken during the past 10 years indicates that they may have recently slowed their retreat. Some appear to have even reached a steady state. Unfortunately, the fluctua tions of small glaciers cannot be measured or monitored, because the spatial resolution of Landsat MSS and RBV imagery (79-m and 30-m pic ture elements, or pixels, respectively) is not adequate. Past glacial extents in both the Pleistocene and Holocene are fre quently well depicted on Landsat images. The classic Pleistocene morainal sequences surrounding Lakes Pukaki and Tekapo are well dis played on Landsat MSS 'mage 2805-21163 (fig. 15); the outermost tills are cut by a large canal for a hydroelectric power project. Many of the moraines associated with tributary cirque and valley glaciers also are clearly portrayed. Possibly the largest Pleistocene lateral moraine pre served in New Zealand occurs in south Westland, to the west of the alpine fault. This moraine is shown clearly in the upper lefthand part of Landsat MSS image 2824-21211, band 7 (fig. 16). The successive morainal crests have been progressively moved northeastward by fault displacement, away from the central flowline of the glacier. «r < H44 SATELLITE IMAGE ATLAS OF GLACIERS OF THE WORLD Figure 15. Landsat 2 MSS false-color composite image (2805-21163; 6 April 1977; Path 79. Row 91) showing Pleistocene glacial features and moraines around Lakes Pukaki, Tekapo, and Ohau.
IE168-30 El 69-001 E169-38I El 78-801 IEl68-88 25RPR77 C S
Page 1 and 2: Satellite Image Atlas of Glaciers o
Page 3 and 4: GLACIERS OF IRIAN JAVA, INDONESIA,
Page 5 and 6: Foreword On 23 July 1972, the first
Page 7 and 8: About this Volume U.S. Geological S
Page 9 and 10: Glaciers of Irian Jaya, Indonesia,
Page 11 and 12: SATELLITE IMAGE ATLAS OF GLACIERS O
Page 13 and 14: Van de Water, which descend from th
Page 15 and 16: Southwall Hanging Glaciers Carstens
Page 17 and 18: Figure 4. Mosaic of U.S. Army Air F
Page 19 and 20: Figure 6.- Oblique aerial photograp
Page 21 and 22: 130°E 135°E 140°E Figure 7. Inde
Page 23 and 24: Observation and Mapping of the Glac
Page 25 and 26: Figure 9. Oblique aerial photograph
Page 27 and 28: Along the northern edge of the east
Page 29 and 30: Changes in the Puncak Jaya Glaciers
Page 31 and 32: Glaciers of Irian Jaya, Indonesia,
Page 33 and 34: SATELLITE IMAGE ATLAS OF GLACIERS O
Page 35 and 36: 166°E 40 S 42 S 44°S 46 "S 48 S N
Page 37 and 38: 0.02 0.04 0.06 0.1 0.2 0.4 0.6 1 GL
Page 39 and 40: Figure 6. Measured variations in th
Page 41 and 42: ® \ 100 200 300 METERS \ \\ \ I \
Page 43 and 44: maps and plans of the Mount Cook an
Page 45 and 46: Figure 8. Map of New Zealand showin
Page 47 and 48: Figure 9. Oblique aerial photograph
Page 49 and 50: Figure 11.-Landsat 3 RBV image (303
Page 51: 1988 1980 1970 1960 1950 1940 0- 19
Page 55 and 56: position indicates a negative glaci

IRIAN JAYA, INDONESIA, and NEW ZEALAND

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