CR ENVIRONMENTAL, INC.

SAMPLES OF HYDROGRAPHIC AND GEOPHYSICAL DATA PRODUCTS
(All Images are Thumbnails - click to enlarge)

Side-Scan Sonar Sub-Bottom Profiling Bathymetric Mapping Underwater Video

 


SIDE-SCAN SONAR
Sample of Web-Enabled Side scan produced using Chesapeake Technology's SonarWeb Pro.

LBmos.jpg (60537 bytes) LBwreck.jpg (29147 bytes)
Mosaic of Little Bay, a small basin in Jamaica Bay, NY Wreck identified in Jamaica Bay, NY

500KHZ FISH.jpg (91689 bytes)

lt4-nov-waves1.jpg (328713 bytes)

Dogfish over muddy sand in Massachusetts Bay - 500-kHz

Extensive field of sand waves created by a November Nor' Easter in Massachusetts Bay - 500 kHz
BHreef.jpg (108020 bytes)

ltlanesgrabs.jpg (399741 bytes)

High Frequency Side-scan Sonograph of artificial reef near Spectacle Island in Boston Harbor Side-scan sonar mosaic with overlays depicting trawl and grab locations
debris.jpg (114165 bytes) dolphins.jpg (103432 bytes)
High Frequency (500 kHz) Side-Scan inspection of piers  & debris in Elliot Bay, Seattle , Washington 
15rtree500k50m.jpg (26943 bytes) lt_sand_waves_-_pre.jpg (286976 bytes)
 500 kHz Side-scan sonograph of flood-debris tree at bottom of reservoir
(for GZA GeoEnvironmental, Inc.)
Sand waves and silt in Massachusetts Bay
dam inspection.jpg (245287 bytes) res pipe.jpg (106865 bytes)
Deep water dam inspection Active pipe discovered in reservoir sediment
intake2.jpg (145314 bytes) whats this.jpg (231830 bytes)
Inspection of reservoir intake structure. Interesting debris
drums and stumps.jpg (317038 bytes) ss and mag gis overlay.jpg (179919 bytes)
Mixture of drums and tree stumps hidden in aquatic vegetation Side scan sonar and CV magnetometer inspection of riverbed - GIS overlay
scuttles.jpg (714804 bytes)
Abundant debris and scuttled pleasure boats - NYC



SUB-BOTTOM SEDIMENT PROFILES

eael11.jpg (178256 bytes) sb6.jpg (21980 bytes)
X-Star Profiles of reservoir beds - Catskill/Delaware range, NY
(for GZA GeoEnvironmental , Inc. from R/V Cyprinodon)

20030714083300-1-CH01-waterfall.jpg (86253 bytes)

Lake Massapoag geophysical survey - 10 kHz Stratabox profile

     


BATHYMETRIC MAPPING  

ash.jpg (130882 bytes)
Ashumet Pond, Falmouth, Massachusetts

PDS_FM_OBLIQUE.jpg (432654 bytes)
Perspective view of a multibeam bathymetric surface of a disposal site off Cape Elizabeth, Maine

NEWTOWN BATHY2 - FM.jpg (1490857 bytes)
Multibeam bathymetric surface of the East River and Newtown Creek, Brooklyn NY

hampton gis.jpg (122648 bytes)
GIS overlay of bathymetry & orthophoto - pre-dredge survey

little bay spect.jpg (240546 bytes)
Surface map created from multibeam sonar data - Little Bay

hoover bathy fm1.jpg (575111 bytes)
Bathymetric surface downstream of the Hoover Dam - single beam

swath1.jpg (172692 bytes)
Geoswath map of offshore borrow site


Pre- & post-dredge bathymetric surface maps - single beam

BBDS SWATH MAP.jpg (725886 bytes)

Surface map of a large portion of the Buzzards Bay Disposal Site.
Data collected using the GeoAcoustics Geoswath System

 


VIDEO MONITORING 

Sample Video Clips (short MPEGs)  1    2    3    4