1. Coastal/Marine Hazards and Resources
  2. Coastal and Marine Geoscience Data System

Knudsen CHIRP Sub-bottom Profiler

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Device type Underway > Measure > Reflection > Seismic reflection receiver (hydrophones, etc.) > Sediment
Feature type
Name Profile line
Description Bathy, seismic, and other accoustic methods
Type line
Data types
Sub Bottom Profiler Seismics (Chirp, boomer, Multichannel)

Usage of this device

Field activity Center Platforms Activity location and equipment usage description
2000-027-FA WHCMSC Lake Mead, Arizona, Nevada, United States, North America,
Type ID Access Name Description
Dataset 38741 Public 2000-027_chirp shot navigation Shotpoint navigation of chirp seismic acquisition at 100 shot intervals.
Dataset 38740 Public 2000-027_chirptracks Trackline navigation of chirp seismic acquisition
Dataset 35042 Public 2000-027-FA-SE-001 Raw Chirp SEGY data available from CMGDS.
Dataset 23064 Public Chirp seismic profile images JPEG images of chirp seismic-reflection data with and without interpretations.
2000-052-FA WHCMSC Vineyard Sound, Buzzards Bay, Massachusetts, United States, North America, North Atlantic;
2000-086-FA WHCMSC Cape Cod Bay, Massachusetts, United States, North America, North Atlantic,
Type ID Access Name Description
Dataset 23071 Public Chirp seismic data
2000-087-FA WHCMSC Red Brook Harbor, Bourne, Buzzards Bay, Massachusetts, United States, North America, North Atlantic;
2001-016-FA WHCMSC Merrimack River, New Hampshire, United States, North America, North Atlantic;
2001-025-FA WHCMSC Choptank River, Maryland, United States, North America, North Atlantic;
Type ID Access Name Description
Dataset 23084 Public Chirp seismic data
2001-048-FA WHCMSC Martha's Vineyard, Vineyard Sound, Massachusetts, United States, North America, North Atlantic;
2001-057-FA WHCMSC offshore lower Cape Cod, Massachusetts, United States, North America, North Atlantic;
Type ID Access Name Description
Dataset 23087 Public Chirp seismic data
2002-020-FA WHCMSC Lake Mohave, Nevada, Arizona, United States, North America;
Type ID Access Name Description
Dataset 35097 Public 2002-020-FA-SE-001 Seismics Data - 60 scanned record sections in JPEG format.
Dataset 35114 Public 2002-020-FA-SE-002 Raw seismic data
Dataset 23092 Public Chirp seismic data
2004-002-FA WHCMSC Gloucester to Nahant, South Essex Sanctuary, Massachusetts Bay, Massachusetts, United States, North America, North Atlantic;
Type ID Access Name Description
Dataset 28434 Public 2004-002-FA-SE-001 Raw SEGY data
Dataset 23103 Public Chirp seismic data
2005-001-FA WHCMSC St. George Sound, eastern Apalachicola Bay National Estuarine Research Reserve, Apalachicola Bay, Florida, United States, Gulf of Mexico, North America, North Atlantic;
Type ID Access Name Description
Dataset 37896 Public 2005-001-FA-SE-001 DVD ROM disk of SUBMETRIX
2008-002-FA WHCMSC Western Cape Cod Bay, Massachusetts, United States, North America, North Atlantic;
Type ID Access Name Description
Dataset 28503 Public 2008-002-FA-SE-001-01 PROCESSED DATA
Dataset 27903 Public 2008-002-FA-SE-001-02 PUBLISHED DATA: Seismic profiles (jpg), Seismic Shots (shapefile), and seismic tracklines (shapefile).
Dataset 23138 Public Chirp seismic data
2008-009-FA WHCMSC Canada Basin, United States, Canada, North America, Arctic Ocean;
Type ID Access Name Description
Dataset 36962 Public 2008-009-FA-SE-001 Chirp subbottom seismic data: 5146 line km collected via Knudsen 320 B/R chirp seismic system.
2008-016-FA WHCMSC St. Clair River, Lake Huron, Michigan, Ontario, United States, Canada, North America;
Type ID Access Name Description
Dataset 37939 Public 2008-016-FA-SE-001-01 SIOSeis was used to apply a 1-2-1 trace mix and t square gain (Sioseis type 3, alpa 1.75) before writing ieee floating point SEG-Y files.
Dataset 35943 Public 2008-016-FA-SE-002-01 SioSeis was used to apply a bandpass filter of 500-2000 Hz and an AGC with a window of 20 ms before writing to SEG-Y files.
Dataset 23141 Public Boomer seismic data
Dataset 23142 Public Chirp seismic data
2008-034-FA WHCMSC Edgartown Harbor, Nantucket Sound, Martha's Vineyard, Massachusetts, United States, North America, North Atlantic;
Type ID Access Name Description
Dataset 34921 Public 2008-034-FA-SE-001-01 Knudsen Chirp seismic reflection, GIS best basic version: processed SEG-Y data.
Dataset 29008 Public 2008-034-FA-SE-001-02 Knudsen Chirp seismic reflection profiles: 16 JPEG profiles from processed Knudsen data.
Dataset 28333 Public 2008-034-FA-SE-003 Raw chirp and boomer hypack segy data.
Dataset 23146 Public Chirp seismic data
2009-018-FA WHCMSC Red Brook Harbor, Buzzards Bay, Massachusetts, United States, North America, North Atlantic;
2010-010-FA WHCMSC Long Island Sound, New York, Connecticut, United States, North America, North Atlantic,
2012-007-FA WHCMSC Mid-Atlantic Slope
2016-002-FA WHCMSC U.S. mid-Atlantic inner continental shelf to shelf edge
2016-017-FA WHCMSC Town Neck Beach, Sandwich
Type ID Access Name Description
Dataset 38441 Public 2016-017-FA_SeismicImages PNG images of each chirp seismic profile collected in 2016 by the U.S. Geological Survey off Town Neck Beach Sandwich, Massachusetts during field activity 2016-017-FA
Dataset 38442 Public 2016-017-FA_SeismicShot500 Shotpoint navigation at a 500-shot interval for chirp seismic-reflection data collected in 2016 by the U.S. Geological Survey off Town Neck Beach Sandwich, Massachusetts during field activity 2016-017-FA
Dataset 38443 Public 2016-017-FA_SeismicTracklines Survey lines along which seismic reflection data were collected in 2016 by the U.S. Geological Survey off Town Neck Beach Sandwich, Massachusetts during field activity 2016-017-FA