GROUND WATER ATLAS of the UNITED STATES
Alaska, Hawaii, Puerto Rico and the U. S. Virgin Islands
HA 730-N
Alaska Regional summary
(figures 1-12)
Introduction
Physiography (Click to view thumbnails
and download figures)
- Figure 1 Map showing
the physiography of Alaska
Climate
(Click to view thumbnails and download figures)
- Figure 2
Map showing the four climatic zones of Alaska
- Figure 3
Map showing the average annual precipitation in Alaska
- Figure 4
Map showing the average annual runoff in Alaska
Permafrost
(Click to view thumbnails and download figures)
- Figure 5
Map showing permafrost zones in Alaska
- Figure 6
Diagrammatic section showing the approximate depth of the
permafrost
- Figure 7
Photograph showing the small "thaw lakes" that
form in the continuous permafrost areas
- Figure 8
Photograph showing the pingos that form in the permafrost
areas
- Figure 9
Generalized diagrammatic section showing permafrost conditions
Geology
(Click to view thumbnails and download figures)
- Figure 11
Map showing location of coarse-grained alluvial and glacial-outwash
deposits of Quaternary age in Alaska
Ground-Water Quality
(Click to view thumbnails and download figures)
- Table 1
Table showing dissolved-solids concentrations in water from unconsolidated-deposit
aquifers
- Figure 12
Pie chart showing use of fresh ground-water withdrawals during
1990
