Bathymetry of Cannikin Lake, Amchitka Island, Alaska, with

CONTENTS
Page
Abstract. . . . . . . . . . . . . . . . . .. . . . . . . , . . . . . 1
Introduction.............,........... ... 1
Acknowl.edgments . . . . . . . . . . . . . . . . . . . . . . . 5
Geologic and hydrologic setting . . . . . . . . . - . . . . . . . . 5
Effects of Cannikin . . . . . . . . . . . . . . . . . . . . . . . 6.
Bathymetry ...................... 8
Computerlnepping techniques . . . . . . . . . . . + . . . . . , . . 9
Comparison of computer-mapping techniques . . . . . . . . . . . . . 12
Computer calculation of cumuLarive volume . . . . . . . . . . . . . 15
Obliqueprojectiona . . . . . . . . . . . . . . . . . . . . . . . . 16
Smry ......................,.....,.16
References cited . . . . . . . . . . . . . . . . . . . . .. . . . . 20
ILLUSTRATIONS
Figure 1. Index map of report area showing location of
CannikinLake-. . . . . . . . . . . . . . . . . . . 2
2. Map showing primary geologic and hydrologic effects
resulting from the Cannikin event . . . . . . . . , . . 4
3. Manually-drawn bathymtric map and graph showing
stage-volume-area relation. of Cannikin Lake,
May 1973, Amchitka Island, AZaaka . . . . . . . . . [In pocket]
4. Computer-drawn bathymetric map of Cnnnikin Lake
ustug WET program, May 1973 . . . . . . . . . . . . 11