Glacier Bay

Basic data on the acoustic properties and characteristics of Glacier Bay with and in the absence of vessels are lacking.

There has been an increase in vessel traffic and activity within Glacier Bay during the 1970's.

Records have been maintained on the number of identifiable humpbacks seen in these waters including Glacier Bay.

The increase in visitors and vessels to Glacier Bay is presented in Tables 6-8.

The effects of increasing vessel traffic apparently are exacerbated by the narrow physical confines of Glacier Bay.