Columbia River ESTR00030 Reformatted Raw Navigation Text Files

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Metadata:
Identification_Information:
Citation:
Citation_Information:
Originator: VeeAnn A. Cross
Originator: David C. Twichell
Publication_Date: 2004
Title: Columbia River ESTR00030 Reformatted Raw Navigation Text Files
Geospatial_Data_Presentation_Form: tabular digital data
Larger_Work_Citation:
Citation_Information:
Originator: VeeAnn A. Cross
Originator: David C. Twichell
Publication_Date: 2004
Title:
Geophysical, Sedimentologic, and Photographic Data from the John Day Reservoir, Washington and Oregon: Data Archive and Preliminary Discussion
Series_Information:
Series_Name: Open-File Report
Issue_Identification: 2004-1014
Publication_Information:
Publication_Place: Woods Hole Science Center, Woods Hole, MA
Publisher: U.S. Geological Survey
Description:
Abstract:
A two-week field operation was conducted in the John Day Reservoir on the Columbia River to image the floor of the pool, to measure the distribution and thickness of post-impoundment sediment, and to verify these geophysical data with video photography and bottom sediment samples. The field program was a cooperative effort between the USGS Coastal and Marine Geology Team of the Geologic Division and the USGS Columbia River Research Laboratory of the Biological Resources Division. The data collection was completed aboard the R/V ESTERO during September 13-27, 2000. The interest in sediment accumulation in the reservoir was two-fold. First, it was unknown how effective this reservoir was as a sediment trap to material that otherwise would have been transported down-river to the estuary and eventually to the ocean. The recent erosion of beaches along the Washington coast has been attributed to a decreased contribution of sediment from the Columbia River to the coastal system due to the damming of the river. Second, sediment accumulation on the floors of reservoirs along the Columbia River has been suggested to be diminishing salmon spawning grounds. The extent of changes in habitat since construction of the John Day Dam, however, had not been documented. Common data sets were needed to address both of these questions, and for these reasons this geophysical and sampling program was undertaken.
Purpose:
These text files represent the raw navigation acquired on the cruise, including the fathometer data (point bathymetry data) collected on the cruise when available. WARNING: These data have not been checked for errors. No fathometer data was available for julian days 269, 270, and 271.
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 20000915
Ending_Date: 20000927
Currentness_Reference: ground condition
Status:
Progress: Complete
Maintenance_and_Update_Frequency: None planned
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -120.685
East_Bounding_Coordinate: -119.325
North_Bounding_Coordinate: 45.933
South_Bounding_Coordinate: 45.688
Keywords:
Theme:
Theme_Keyword_Thesaurus: General
Theme_Keyword: bathymetry
Theme_Keyword: CMGP
Theme_Keyword: Coastal and Marine Geology Program
Theme_Keyword: navigation
Theme_Keyword: Open-File Report
Theme_Keyword: reservoir
Theme_Keyword: U.S. Geological Survey
Theme_Keyword: USGS
Theme_Keyword: Woods Hole Science Center
Theme_Keyword: OF 2004-1014
Place:
Place_Keyword_Thesaurus: General
Place_Keyword: Columbia River
Place_Keyword: John Day Reservoir
Place_Keyword: John Day Dam
Place_Keyword: McNary Dam
Place_Keyword: North America
Place_Keyword: United States
Place_Keyword: Lake Umatilla
Access_Constraints: none
Use_Constraints:
The U.S. Geological Survey must be referenced as the originator of the dataset in any future products or research derived from these data.
Point_of_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: VeeAnn A. Cross
Contact_Organization: U.S. Geological Survey
Contact_Position: Marine Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: 384 Woods Hole Rd.
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543-1598
Contact_Voice_Telephone: (508) 548-8700 x2251
Contact_Facsimile_Telephone: (508) 457-2310
Contact_Electronic_Mail_Address: vatnipp@usgs.gov
Native_Data_Set_Environment:
Microsoft Windows 2000 Version 5.0 (Build 2195) Service Pack 4; ESRI ArcCatalog 8.2.0.700
Data_Quality_Information:
Completeness_Report:
These text files represent all the raw navigation collected during the 2000 field work in the John Day Reservoir. The initial days (jd259 - jd267) were dedicated to sidescan-sonar and seismic-reflection mapping. The last 3 days (jd269-jd271) was dedicated to sediment sample and bottom photo/video collection.
Positional_Accuracy:
Horizontal_Positional_Accuracy:
Quantitative_Horizontal_Positional_Accuracy_Assessment:
Horizontal_Positional_Accuracy_Value: 5m
Horizontal_Positional_Accuracy_Explanation:
These navigation positions reflect the position of the ship. The accuracy is affected by the fact that the antenna is on a non-stable platform.
Lineage:
Process_Step:
Process_Description:
For data collected on julian days 259-267 (Sept. 15-Sept. 23) the navigation recorded with Coastal Oceanographics HYPACK software was reformatted using an AWK script. This text file has a total of 4 columns. Column 1: Date and time (GMT) as julian day(xxx):hour(xx):minute(xx):second(xx) Column 2: Longitude (decimal degrees) Column 3: Latitude (decimal degrees) Column 4: Depth from fathometer (in meters - because the number is negative, subtract 1 meter to account for draft).

Julian days 269-271 (Sept. 25 - Sept. 27) GPS data were recorded using BlueMarble's GeoTracker software running within ArcView 3.2. For these days, no fathometer information was merged with the navigation string. An AWK script was used to reformat the navigation so that the text files (jd269.txt, jd270.txt and jd271.txt) have a total of 3 columns. Column 1: Date and time (GMT) as julian day(xxx):hour(xx):minute(xx):second(xx) Column 2: Longitude (decimal degrees) Column 3: Latitude (decimal degrees)

Process_Date: 2000
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: VeeAnn A. Cross
Contact_Organization: U.S. Geological Survey
Contact_Position: Marine Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: 384 Woods Hole Rd.
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543-1598
Contact_Voice_Telephone: (508) 548-8700 x2251
Contact_Facsimile_Telephone: (508) 457-2310
Contact_Electronic_Mail_Address: vatnipp@usgs.gov
Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Geographic:
Geographic_Coordinate_Units: Decimal degrees
Geodetic_Model:
Horizontal_Datum_Name: North American Datum of 1983
Ellipsoid_Name: Geodetic Reference System 80
Semi-major_Axis: 6378137.000000
Denominator_of_Flattening_Ratio: 298.257222
Distribution_Information:
Distributor:
Contact_Information:
Contact_Person_Primary:
Contact_Person: VeeAnn A. Cross
Contact_Organization: U.S. Geological Survey
Contact_Position: Marine Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: 384 Woods Hole Rd.
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543-1598
Contact_Voice_Telephone: (508) 548-8700 x2251
Contact_Facsimile_Telephone: (508) 457-2310
Contact_Electronic_Mail_Address: vatnipp@usgs.gov
Resource_Description: Downloadable Data
Distribution_Liability:
These data were prepared by an agency of the United States Government. Neither the United States government nor any agency thereof, nor any of their employees, make any warranty, expressed or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed in this report, or represents that its use would not infringe privately owned rights. Reference therein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States government or any agency thereof. Any views and opinions of authors expressed herein do not necessarily state or reflect those of the United States government or any agency thereof. Although all data published in this report have been used by the USGS, no warranty, expressed or implied, is made by the USGS as to the accuracy of the data and related materials and/or the functioning of the software. The act of distribution shall not constitute any such warranty, and no responsibility is assumed by the USGS in the use of this data, software, or related materials.
Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Format_Name: ASCII
Metadata_Reference_Information:
Metadata_Date: 20040309
Metadata_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: VeeAnn A. Cross
Contact_Organization: U.S. Geological Survey
Contact_Position: Marine Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: 384 Woods Hole Rd.
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543-1598
Contact_Voice_Telephone: (508) 548-8700 x2251
Contact_Facsimile_Telephone: (508) 457-2310
Contact_Electronic_Mail_Address: vatnipp@usgs.gov
Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998
Metadata_Time_Convention: local time
Metadata_Extensions:
Online_Linkage: <http://www.esri.com/metadata/esriprof80.html>
Profile_Name: ESRI Metadata Profile
Generated by mp version 2.7.3 on Tue Mar 09 16:21:56 2004