USGS

Glaciers of Irian Jaya, Indonesia

Landsat images, in conjunction with aerial photographs and field measurements, were used to locate, describe, and monitor changes in the three ice fields in the three ice fields in the Central Range of Irian Jaya


CONTENTS

Abstract

Introduction

Figure 1. Index map of Irian Jaya, showing the location of the highest mountains

Figure 2. Map of the ice fields of the Puncak Jaya area showing retreat of the ice boundaries since about 1800 to 1850 A.D.

Figure 3. Oblique aerial photograph looking east at several of the glaciers on Puncak Jaya

Glacier imagery and mapping

Aerial photography

Maps of the Puncak Jaya region and of the glacier recession

Satellite imagery

Figure 4. Mosaic of U.S. Army Air Force vertical aerial photographs of the Northwall Firn in 1942

Figure 5. U.S. Army Air Force trimetrogon oblique aerial photograph looking south at the glaciers in 1942

Figure 6. Oblique aerial photograph looking east at the glaciers in 1972

Figure 7. Index map to the optimum Landsat 1, 2, and 3 images of the glaciers of Irian Jaya

Table 1. Optimum Landsat 1, 2, and 3 images of the glaciers of Irian Jaya

Observation and mapping of the glaciers shown on Landsat images

Puncak Jaya and Ngga Pilimsit

Puncak Mandala

Figure 8. Landsat 1 image showing the ice fields of the Puncak Jaya region

Figure 9. Oblique aerial photograph looking east at the Ngga Pilimsit ice cap in 1972

Figure 10. An approximately 1:275,000-scale enlargement of part of a Landsat 1 image showing the Puncak Jaya glaciers and Ngga Pilimsit

Figure 11. Thematic sketch map showing satellite-derived boundary of Puncak Jaya glaciers in 1974 compared with the 1972 CGE boundary

Table 2. Ice areas in the Puncak Jaya region

Changes in the Puncak Jaya glaciers, 1974 to 1983

Conclusion

Acknowledgments

References cited

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U.S. Geological Survey, U.S.Department of the Interior
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Contact: Richard S. Williams, Jr., and Jane G. Ferrigno
Last modified 05.18.00