HARP

Type of System: 
fixed autonomous
Geographical Scale: 
regional
Location: 
Pacific Ocean, Atlantic Ocean, Gulf of Mexico, Gulf of Alaska, Hawaiian Islands, Chukchi Sea, etc.
Human Activity: 
oil & gas exploration
shipping
sonar
Natural Activity: 
fish
ice
wind
rain
earthquakes
marine mammals
Projected Change: 
biological and human sound sources
Acoustics Operational: 
Yes
Units (Auto) Mode (Mobile): 
bottom mounted, mooring, WaveGlider
Frequency Bandwith: 
10 Hz-160 kHz
Directionality: 
omni and 4-sensor directional array
Time Synch/Precision: 
5-10 ms
Duty Cycle: 
continuous
programmable
Data Downloads: 
4-18 months
# Elements: 
1-4 sensors per deployment
Depth: 
100-1000 m
Calibrated: 
Yes
Ancillary Data: 
CTD
Data Availability: 
approval needed
upon request
Sponsor: 
Navy, NOAA, BP
Society Value: 
ecosystems
marine mammals, shipping
Installation Life Expectancy: 
2005-2020