Online Links:
Online Links:
Range of values | |
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Minimum: | 2.2 |
Maximum: | 163.7 |
Units: | meters |
Resolution: | 0.1 |
Range of values | |
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Minimum: | 265 |
Maximum: | 267 |
Units: | days |
Resolution: | 1 |
Range of values | |
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Minimum: | 20120921 |
Maximum: | 20120923 |
Units: | date |
Resolution: | 1 |
Range of values | |
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Minimum: | 2012 |
Maximum: | 2012 |
Units: | years |
Resolution: | 1 |
This dataset is used to display the videos and locations of riverbed videos acquired with a black and white standard definition video drop camera on a modified SEABed OBservation and Sampling System (SEABOSS) collected during a 2012 USGS survey in the Connecticut River. Imagery data from both bottom photographs and videos is needed to validate geophysical data. The videos also help provide the basis for determining sediment texture where a physical sediment sample was not collected. This dataset contains riverbed videos from most of the sampling stations, as well as video tracklines in Geographic coordinates (WGS84).
> ffmpeg -ss 0:0:1.701 -i 12024_DV1.iMovieProject/Media/12024\ DV-01.1\ 01.dv -c:v libx264 -crf 22 -preset slow -b:a 192k -ac 2 -y -t 306.707 Station_1.m4v > ffmpeg -ss 0:5:8.408 -i 12024_DV1.iMovieProject/Media/12024\ DV-01.1\ 01.dv -c:v libx264 -crf 22 -preset slow -b:a 192k -ac 2 -y -t 113.38 Station_22.m4v > ffmpeg -ss 0:7:1.788 -i 12024_DV1.iMovieProject/Media/12024\ DV-01.1\ 01.dv -c:v libx264 -crf 22 -preset slow -b:a 192k -ac 2 -y -t 276.31 Station_23.m4vwhere "-ss 0:7:1.788" means begin video at 7 minutes 1.788 seconds, "-i 12024_DV1.iMovieProject/Media/12024\ DV-01.1\ 01.dv" is the input video file, "-c:v libx264 -crf 22 -preset slow" are the video transcoding parameters (high-quality H.264 video using the encoder x264, constant frame rate of 22, slow speed transcoding for higher quality results), "-c:a libfaac -b:a 192k -ac 2" are the audio transcoding parameters (using the ACC encoding libraries, bitrate of 192 kilobits per second, in stereo layout), "-y" overwrites the output file if it exists, "-t 276.31" is the duration of the clip to transcode to the new file. Data sources used in this process:
> for f in *.m4v; do v=`echo $f | awk '{split($0,a,"."); print a[1]}'`; echo ffmpeg -i $f -c:v copy -pix_fmt yuv420p -an $v".mp4" |sh; doneData sources used in this process:
Are there legal restrictions on access or use of the data?Access_Constraints: none
Use_Constraints:Public domain data from the U.S. Government are freely redistributable with proper metadata and source attribution. Please recognize the U.S. Geological Survey as the originator of the dataset.
Neither the U.S. Government, the Department of the Interior, nor the USGS, nor any of their employees, contractors, or subcontractors, make any warranty, express or implied, nor assume any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, nor represent that its use would not infringe on privately owned rights. The act of distribution shall not constitute any such warranty, and no responsibility is assumed by the USGS in the use of these data or related materials. Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.
Data format: | The zip file contains riverbed video locations and imagery of the riverbed collected by the U.S. Geological Survey (Woods Hole Coastal and Marine Science Center) in the Connecticut River and the associated metadata. in format Shapefile (version ArcGIS 10.3.1) Shapefile Size: 747 |
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Network links: |
https://cmgds.marine.usgs.gov/data/field-activity-data/2012-024-FA/data/imagery/2012-024-FA_SEABOSSvideos.zip https://doi.org/10.5066/F7PG1Q7V https://cmgds.marine.usgs.gov/data/field-activity-data/2012-024-FA/ |
Data format: | The zip file contains riverbed video locations and imagery of the riverbed collected by the U.S. Geological Survey (Woods Hole Coastal and Marine Science Center) in the Connecticut River and the associated metadata. in format mp4 (version video files) MPEG-4 video format (mp4) Size: 747 |
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Network links: |
https://cmgds.marine.usgs.gov/data/field-activity-data/2012-024-FA/data/imagery/2012-024-FA_SEABOSSvideos.zip https://doi.org/10.5066/F7PG1Q7V https://cmgds.marine.usgs.gov/data/field-activity-data/2012-024-FA/ |
This zip file contains data available in polyline shapefile format. The user must have software capable of reading shapefile format to use these data. A video viewer can be used to see the mp4 video files.