Digital data addendum: Analytical data and field observations from surficial geology and morphology of the Alaskan central Arctic Coastal Plain, 1981-1987

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Frequently anticipated questions:


What does this data set describe?

Title:
Digital data addendum: Analytical data and field observations from surficial geology and morphology of the Alaskan central Arctic Coastal Plain, 1981-1987
Abstract:
Report of Investigation 93-1A, Digital data addendum: Analytical data and field observations from surficial geology and morphology of the Alaskan central Arctic Coastal Plain, 1981-1987, presents digitized station and sample locations and identifiers, and analytical data tables for grain size, amino acid, thermoluminescence, carbon-14, palynology, microfossil, and wood identification from 1980-1987 surficial geologic field investigations along Alaska's North Slope. This data release also provides the project's scanned field notes, measured section diagrams, and laboratory observations. The study area encompassed twenty-five 1:63,360-scale quadrangles between the Colville and Hulahula rivers. The geologic mapping, analytical data, interpretations, and measured sections resulting from these investigations were published in 1993 (Rawlinson, 1993). All files are available from the DGGS website: http://doi.org/10.14509/30670.
Supplemental_Information:
age:    Carbon 14 and thermoluminescence data	
animo_acid:    Age group data and acid ratios	
grain_size:    Mechanical sieve data, depth of collection
field-notebook-scans:    Collection of scanned field notes	 
microfossil:    Fossil species identification	
pollen:    Samples with pollen species identification	
samples:    Sample Numbers, type of analyses, depth of collection	
stations:    Station numbers and locations	
wood_identification:    Wood sample species identification
  1. How might this data set be cited?
    Gavel, M.M., and Hubbard, T.D., 2021, Digital data addendum: Analytical data and field observations from surficial geology and morphology of the Alaskan central Arctic Coastal Plain, 1981-1987: Report of Investigation RI 93-1A, Alaska Division of Geological & Geophysical Surveys, Fairbanks, Alaska, United States.

    Online Links:

    Other_Citation_Details: 6 p.
  2. What geographic area does the data set cover?
    West_Bounding_Coordinate: -151.822780
    East_Bounding_Coordinate: -144.033330
    North_Bounding_Coordinate: 70.558020
    South_Bounding_Coordinate: 69.240280
  3. What does it look like?
  4. Does the data set describe conditions during a particular time period?
    Beginning_Date: 1981
    Ending_Date: 1993
    Currentness_Reference:
    ground condition
  5. What is the general form of this data set?
    Geospatial_Data_Presentation_Form: table
  6. How does the data set represent geographic features?
    1. How are geographic features stored in the data set?
      This is a point data set.
    2. What coordinate system is used to represent geographic features?
      Horizontal positions are specified in geographic coordinates, that is, latitude and longitude. Latitudes are given to the nearest 0.0001. Longitudes are given to the nearest 0.0001. Latitude and longitude values are specified in decimal degrees. The horizontal datum used is NAD27.
      The ellipsoid used is Clarke 1866.
      The semi-major axis of the ellipsoid used is 6378206.40000000037.
      The flattening of the ellipsoid used is 1/294.978698199999997.
  7. How does the data set describe geographic features?
    ri93-1a-age.csv, ri93-1a-age_data_dictionary.csv
    Carbon 14 and thermoluminescence data (Source: DGGS, Rawlinson, S.E., 1993)
    ri93-1a-animo_acid.csv, ri93-1a-animo_acid_data_dictionary.csv
    Age group data and acid ratios (Source: DGGS, Rawlinson, S.E., 1993)
    ri93-1a-field-notebook-scans.zip
    Collection of scanned field notes (Source: DGGS, Rawlinson, S.E., 1993)
    ri93-1a-grain_size.csv, ri93-1a-grain_size_data_dictionary.csv
    Mechanical sieve data, depth of collection (Source: DGGS, Rawlinson, S.E., 1993)
    ri93-1a-microfossil.csv, ri93-1a-microfossil_data_dictionary.csv
    Fossil species identification (Source: DGGS, Rawlinson, S.E., 1993)
    ri93-1a-pollen.csv, ri93-1a-pollen_data_dictionary.csv
    Samples with pollen species identification (Source: DGGS, Rawlinson, S.E., 1993)
    ri93-1a-samples.csv, ri93-1a-samples_data_dictionary.csv
    Sample Numbers, type of analyses, depth of collection (Source: DGGS, Rawlinson, S.E., 1993)
    ri93-1a-stations.csv, ri93-1a-stations_data_dictionary.csv
    Station numbers and locations (Source: DGGS, Rawlinson, S.E., 1993)
    ri93-1a-wood_identification.csv, ri93-1a-wood_identification_data_dictionary.csv
    Wood sample species identification (Source: DGGS, Rawlinson, S.E., 1993)

Who produced the data set?

  1. Who are the originators of the data set? (may include formal authors, digital compilers, and editors)
  2. Who also contributed to the data set?
    The State of Alaska funded this work as a component of the ASTAR project. We appreciate the hours of work conducted by our intern, Alex Terry, sorting and scanning the original field documents. The collective DGGS ASTAR work supports a collaborative effort between the North Slope Borough and the Department of Natural Resources to strengthen community infrastructure and facilitate access to arctic resources while enhancing the quality of life and economic opportunities for North Slope communities. It also provides valuable information for land-use management and planning decisions. Concurrent work to identify and catalog corresponding geologic materials samples was funded by the USGS National Geological and Geophysical Data Preservation Program (NGGDPP) awards G15AP00147 and G17AP00063.
  3. To whom should users address questions about the data?
    Alaska Division of Geological & Geophysical Surveys
    Metadata Manager
    3354 College Road
    Fairbanks, AK
    USA

    (907)451-5020 (voice)
    (907)451-5050 (FAX)
    dggspubs@alaska.gov
    Hours_of_Service: 8 am to 4:30 pm, Monday through Friday, except State holidays
    Contact_Instructions:
    Please view our website (https://www.dggs.alaska.gov) for the latest information on available data. Please contact us using the e-mail address provided above when possible.

Why was the data set created?

In 2018, DGGS joined the Department of Natural Resources and the North Slope Borough Arctic Strategic Transportation and Resources (ASTAR) project. DGGS initiated significant work to use historic and newly acquired geologic and geospatial data to evaluate sand and gravel resources across the North Slope. To support this research, we scanned the 1980-1987 project field notes and reformatted published source data into digital files optimized for visualization and data analysis using ArcGIS software.

How was the data set created?

  1. From what previous works were the data drawn?
    Rawlinson, S.E., 1986 (source 1 of 7)
    Rawlinson, S.E., 1986, Surficial-geologic map of the Beechey Point A-3 Quadrangle, Alaska: Report of Investigation RI 86-8, Alaska Division of Geological & Geophysical Surveys, Fairbanks, Alaska, United States.

    Online Links:

    Other_Citation_Details: 1 sheet, scale 1:63,360
    Type_of_Source_Media: paper
    Source_Scale_Denominator: 63360
    Source_Contribution: scanning and optical character recognition
    Rawlinson, S.E., 1986 (source 2 of 7)
    Rawlinson, S.E., 1986, Surficial-geologic map of the Beechey Point A-4 Quadrangle, Alaska: Report of Investigation RI 86-9, Alaska Division of Geological & Geophysical Surveys, Fairbanks, Alaska, United States.

    Online Links:

    Other_Citation_Details: 1 sheet, scale 1:63,360
    Type_of_Source_Media: paper
    Source_Scale_Denominator: 63360
    Source_Contribution: scanning and optical character recognition
    Rawlinson, S.E., 1986 (source 3 of 7)
    Rawlinson, S.E., 1986, Surficial-geologic map of the Beechey Point B-2 Quadrangle, Alaska: Report of Investigation RI 86-10, Alaska Division of Geological & Geophysical Surveys, Fairbanks, Alaska, United States.

    Online Links:

    Other_Citation_Details: 1 sheet, scale 1:63,360
    Type_of_Source_Media: paper
    Source_Scale_Denominator: 63360
    Source_Contribution: scanning and optical character recognition
    Rawlinson, S.E., 1986 (source 4 of 7)
    Rawlinson, S.E., 1986, Surficial-geologic map of the Beechey Point B-3 Quadrangle, Alaska: Report of Investigation RI 86-11, Alaska Division of Geological & Geophysical Surveys, Fairbanks, Alaska, United States.

    Online Links:

    Other_Citation_Details: 1 sheet, scale 1:63,360
    Type_of_Source_Media: paper
    Source_Scale_Denominator: 63360
    Source_Contribution: scanning and optical character recognition
    Rawlinson, S.E., 1986 (source 5 of 7)
    Rawlinson, S.E., 1986, Surficial-geologic map of the Beechey Point B-4 Quadrangle, Alaska: Report of Investigation RI 86-12, Alaska Division of Geological & Geophysical Surveys, Fairbanks, Alaska, United States.

    Online Links:

    Other_Citation_Details: 1 sheet, scale 1:63,360
    Type_of_Source_Media: paper
    Source_Scale_Denominator: 63360
    Source_Contribution: scanning and optical character recognition
    Rawlinson, S.E., 1990 (source 6 of 7)
    Rawlinson, S.E., 1990, Surficial geology and morphology of the Alaskan central Arctic Coastal Plain: Public Data File PDF 90-27, Alaska Division of Geological & Geophysical Surveys, Fairbanks, Alaska, United States.

    Online Links:

    Other_Citation_Details: 326 p., 6 sheets, scale 1:63,360
    Type_of_Source_Media: paper
    Source_Scale_Denominator: 63360
    Source_Contribution: scanning and optical character recognition
    Rawlinson, S.E., 1993 (source 7 of 7)
    Rawlinson, S.E., 1993, Surficial geology and morphology of the Alaskan central Arctic Coastal Plain: Report of Investigation RI 93-1, Alaska Division of Geological & Geophysical Surveys, Fairbanks, Alaska, United States.

    Online Links:

    Other_Citation_Details: 172 p., 6 sheets, scale 1:63,360
    Type_of_Source_Media: paper
    Source_Scale_Denominator: 63360
    Source_Contribution: scanning and optical character recognition
  2. How were the data generated, processed, and modified?
    Date: 2019 (process 1 of 1)
    Scanning and optical character recognition - Analytical data and field station locations were auto-read from the appendices using optical character recognition converted into tabular data files. We converted field station locations from degree-minute-second to decimal-degree notation. We then quality controlled the exported field station locations using ArcGIS to visually compare them to corresponding plotted locality in scanned and georeferenced geologic maps. In the originating data, field station locations were visually approximated and recorded on aerial photographs or topographic maps. Offsets between the plotted and calculated points were generally in the range of 50-200 meters. In cases of larger offsets, we provide coordinates digitized from the scanned maps. When possible, we used the lab correspondence, field notebooks, and other loose papers associated with Rawlinson's 1993 publication to augment or clarify the published summary data and to verify each sample's field station and sample numbering. Data sources used in this process:
    • Rawlinson, S.E., 1986
    • Rawlinson, S.E., 1986
    • Rawlinson, S.E., 1986
    • Rawlinson, S.E., 1986
    • Rawlinson, S.E., 1986
    • Rawlinson, S.E., 1990
    • Rawlinson, S.E., 1993
  3. What similar or related data should the user be aware of?

How reliable are the data; what problems remain in the data set?

  1. How well have the observations been checked?
    Analytical data and field station locations were auto-read from the appendices using optical character recognition converted into tabular data files. When possible, we used the lab correspondence, field notebooks, and other loose papers associated with Rawlinson's 1993 publication to augment or clarify the published summary data and to verify each sample's field station and sample numbering. For the most part, we were able to correlate field station numbers, sample numbers, map numbers, and reported depth to visualize and organize the data using a relational database hierarchy. However, achieving full referential integrity throughout the entire dataset would require discarding non-compliant data or assumptions unsupported by the field notes or published documentation. Due to these limitations, we decided to eliminate cross-table data dependencies and provide root sample metadata in each table.
  2. How accurate are the geographic locations?
    Field station locations were auto-read from the appendices using optical character recognition converted into tabular data files. We converted field station locations (Rawlinson, 1993, app. C) from degree-minute-second to decimal-degree notation. We then quality controlled the exported field station locations using ArcGIS to visually compare them to corresponding plotted locality in scanned and georeferenced geologic maps. Offsets between the plotted and calculated points were generally in the range of 50-200 meters. In cases of larger offsets, we provide coordinates digitized from the scanned maps.
  3. How accurate are the heights or depths?
  4. Where are the gaps in the data? What is missing?
    This publication is a digital data addendum to allow for visualization and data analysis using ArcGIS or other software. Users must consult the originating DGGS Report of Investigations (Rawlinson, 1993) for geologic context and supporting documentation. This data release is complete.
  5. How consistent are the relationships among the observations, including topology?
    Not applicable

How can someone get a copy of the data set?

Are there legal restrictions on access or use of the data?
Access_Constraints:
This report, map, and/or dataset is available directly from the State of Alaska, Department of Natural Resources, Division of Geological & Geophysical Surveys (see contact information below).
Use_Constraints:
Any hard copies or published datasets utilizing these datasets shall clearly indicate their source. If the user has modified the data in any way, the user is obligated to describe the types of modifications the user has made. The user specifically agrees not to misrepresent these datasets, nor to imply that changes made by the user were approved by the State of Alaska, Department of Natural Resources, Division of Geological & Geophysical Surveys. The State of Alaska makes no express or implied warranties (including warranties for merchantability and fitness) with respect to the character, functions, or capabilities of the electronic data or products or their appropriateness for any user's purposes. In no event will the State of Alaska be liable for any incidental, indirect, special, consequential, or other damages suffered by the user or any other person or entity whether from the use of the electronic services or products or any failure thereof or otherwise. In no event will the State of Alaska's liability to the Requestor or anyone else exceed the fee paid for the electronic service or product.
  1. Who distributes the data set? (Distributor 1 of 1)
    Alaska Division of Geological & Geophysical Surveys
    Metadata Manager
    3354 College Road
    Fairbanks, AK
    USA

    (907)451-5020 (voice)
    (907)451-5050 (FAX)
    dggspubs@alaska.gov
    Hours_of_Service: 8 am to 4:30 pm, Monday through Friday, except State holidays
    Contact_Instructions:
    Please view our website (https://www.dggs.alaska.gov) for the latest information on available data. Please contact us using the e-mail address provided above when possible.
  2. What's the catalog number I need to order this data set? RI 93-1A
  3. What legal disclaimers am I supposed to read?
    The State of Alaska makes no expressed or implied warranties (including warranties for merchantability and fitness) with respect to the character, functions, or capabilities of the electronic data or products or their appropriateness for any user's purposes. In no event will the State of Alaska be liable for any incidental, indirect, special, consequential, or other damages suffered by the user or any other person or entity whether from the use of the electronic services or products or any failure thereof or otherwise. In no event will the State of Alaska's liability to the Requestor or anyone else exceed the fee paid for the electronic service or product.
  4. How can I download or order the data?

Who wrote the metadata?

Dates:
Last modified: 04-Dec-2021
Metadata author:
Alaska Division of Geological & Geophysical Surveys
Attn: Simone Montayne
Metadata Manager
3354 College Road
Fairbanks, AK
USA

(907)451-5020 (voice)
(907)451-5050 (FAX)
dggspubs@alaska.gov
Hours_of_Service: 8 am to 4:30 pm, Monday through Friday, except State holidays
Metadata standard:
FGDC Content Standard for Digital Geospatial Metadata (FGDC-STD-001-1998)
Metadata extensions used:

Generated by mp version 2.9.50 on Fri Dec 03 20:50:15 2021