For more than two decades the National Park Service and its contractors have conducted acoustical monitoring at park units throughout the United States. Most of this data has never before been widely accessible to the public, and the Western Soundscape Archive now makes available more than 10,000 spectral images from approximately 200,000 hours of park service sound level monitoring.
| Title | Date | Type | ||
|---|---|---|---|---|
| 1 |  | Hawaii Volcanoes National Park, Site HAVO001, National Park Service sound spectrograms | 2008 | Image |
| 2 |  | GOGA001_2008_01_28 | 2008-01-28 | |
| 3 |  | GOGA001_2008_01_28h | 2008-01-28 | |
| 4 |  | GOGA001_2008_01_29 | 2008-01-29 | |
| 5 |  | GOGA001_2008_01_29h | 2008-01-29 | |
| 6 |  | GOGA001_2008_01_30 | 2008-01-30 | |
| 7 |  | GOGA001_2008_01_30h | 2008-01-30 | |
| 8 |  | GOGA001_2008_01_31 | 2008-01-31 | |
| 9 |  | GOGA001_2008_01_31h | 2008-01-31 | |
| 10 |  | GOGA001_2008_02_01 | 2008-02-01 | |
| 11 |  | GOGA001_2008_02_01h | 2008-02-01 | |
| 12 |  | GOGA001_2008_02_02 | 2008-02-02 | |
| 13 |  | GOGA001_2008_02_02h | 2008-02-02 | |
| 14 |  | GOGA001_2008_02_03 | 2008-02-03 | |
| 15 |  | GOGA001_2008_02_03h | 2008-02-03 | |
| 16 |  | GOGA001_2008_02_04 | 2008-02-04 | |
| 17 |  | GOGA001_2008_02_04h | 2008-02-04 | |
| 18 |  | GOGA001_2008_02_05 | 2008-02-05 | |
| 19 |  | GOGA001_2008_02_05h | 2008-02-05 | |
| 20 |  | GOGA001_2008_02_06 | 2008-02-06 | |
| 21 |  | GOGA001_2008_02_06h | 2008-02-06 | |
| 22 |  | GOGA001_2008_02_07 | 2008-02-07 | |
| 23 |  | GOGA001_2008_02_07h | 2008-02-07 | |
| 24 |  | GOGA001_2008_02_08 | 2008-02-08 | |
| 25 |  | GOGA001_2008_02_08h | 2008-02-08 |