1. Coastal and Marine Hazards and Resources
  2. Geoscience Data System
  3. Dataset 44610

Dataset description: Nearshore bathymetry of Humboldt Bay North Spit and South Spit, California

Bathymetric data of the nearshore zone were collected along Humboldt Bay North and South Spits, California using personal watercraft (PWCs) equipped with single-beam sonar systems and global navigation satellite system (GNSS) receivers. This data release currently contains bathymetric data from 2 surveys performed between April 2025 and September 2025 and will be updated when additional surveys become available.
Version1
Keywordssea-floor characteristics, single-beam echo sounder, GPS measurement, marine geophysics, bathymetry
Data typesSingle Beam, Navigation
Formatcomma-delimited text;
Amount77.8 MB

Contacts

Contact
Andrew Stevens
Report a problem

Location of materials and files

Public fileshttps://doi.org/10.5066/P1SNSQB9
Metadatahttps://cmgds.marine.usgs.gov/metadata/pcmsc/DataReleases/CMGDS_DR_tool/DR_P1SNSQB9/hb_bathy_metadata.xml
Outline - Questions and answers - Text - XML

Activities and equipment

ActivityEquipment
2025-615-FATrimble R10
Trimble R10 GNSS receiver
2025-615-FACee HydroSystems Ceescope
Portable single beam echo sounder and GPS survey unit
2025-658-FACee HydroSystems Ceescope
Portable single beam echo sounder and GPS survey unit
2025-658-FATrimble R10
Trimble R10 GNSS receiver