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BADM Group: DM_GENERAL

BADM Type: Disturbance and Management
Description: General Disturbance
Group Entries per Site: Multiple
Last updated: Mar 02, 2021

BADM Group Overview

BADM variables in this group are organized as shown below. The overview highlights what variables are required per group. It also indicates which variables cannot be specified together ( OR ) in the same group entry. See BADM Basics for more details.

Multiple entries of this BADM group can be reported per site. However, combinations of Ⓒ variables must be unique. Read more:

Required Variable
Optional Variable
Ⓒ Combinations
Examples
RequiredOptional
General Disturbance
  • DM_GENERAL
  • DM_DATE Ⓒ
    		• OR
  • DM_DATE_START Ⓒ
  • DM_DATE_END
  • DM_SURF
  • DM_SURF_MEAS_UNC
  • DM_DATE_UNC
  • DM_COMMENT

    • BADM variables: Definitions, Units, Requirements

    See Overview tab or BADM Basics for explanation of Required and Optional variables.

    Multiple entries of this BADM group can be reported per site. However, combinations of Ⓒ variables must be unique. Read more:

    Required Variable
    Optional Variable
    Ⓒ Combinations
    Examples
    Variable
    Requirements    		 Units Description
    DM_GENERAL
    Required    		LIST(DM_GENERAL) ShowGeneral disturbance or management event not covered by other disturbance or management type
    DM_GENERAL Options×
    OptionDescription
    Undisturbed
    Other
    DM_SURF
    Optional    		%Percentage of the footprint area affected by the event
    DM_SURF_MEAS_UNC
    Optional    		%Percentage of the footprint area affected by the event measurement uncertainty
    DM_DATE
    Ⓒ Required-a    		YYYYMMDDHHMMDate of site disturbance
    Please report the date at the precision known. Allowed reporting precision are YYYY, YYYYMMDD, and YYYYMMDDHHMM.
    DM_DATE_START
    Ⓒ Required-a    		YYYYMMDDHHMMStart date of site disturbance
    Please report the start date at the precision known. Allowed reporting precision are YYYY, YYYYMMDD, and YYYYMMDDHHMM.
    DM_DATE_END
    Required    		YYYYMMDDHHMMEnd date of site disturbance
    Please report the end date at the precision known. Allowed reporting precision are YYYY, YYYYMMDD, and YYYYMMDDHHMM.
    DM_DATE_UNC
    Optional    		daysUncertainty in the Date(s) of site disturbance
    DM_COMMENT
    Optional    		free textSite disturbance comments

    BADM Examples

    Choose a variable marked with to show examples of how to submit and interpret these BADM. See BADM Basics for more details.

    Combinations of Ⓒ variables must be unique. Read more: .

    Required Variable
    Optional Variable
    Ⓒ Combinations
    Examples
    General Disturbance
  • DM_GENERAL
  • DM_SURF
  • DM_SURF_MEAS_UNC
  • DM_DATE Ⓒ
  • DM_DATE_START Ⓒ
  • DM_DATE_END
  • DM_DATE_UNC
  • DM_COMMENT
    • Click a variable marked with to see examples.
    No example currently available

    DATE Variables

    Many groups have several DATE Variables that can be used to describe the time period that the metadata or ancillary data represents.

    Dates should be entered at the precision known and most suitable to the observation. Supported precision include year, month, day, and minute in ISO formats: YYYY, YYYYMM, YYYYMMDD, YYYYMMDDHHMM.

    DATE or DATE_START / DATE_END

    Either a single DATE or a DATE_START / DATE_END pair is required. Do not enter both for the same observation.

    • Use DATE when the observation represents a single point in time. Typical resolutions used are a year, month, or day: YYYY, YYYYMM, YYYYMMDD.
    • Use DATE_START / DATE_END when the observation represents a period of time. Start and end dates are often used when observations are collected as part of a campaign. Typically resolution is reported with day (YYYYMMDD), but month is also common (YYYYMM).

    Notes:

    1. Do not enter DATE and DATE_START for the same observation. See “Mutually-exclusive variables cannot be submitted together” on BADM Basics: Key Concepts.
    2. Within a BADM group (e.g., HEIGHTC), different observations cannot be reported for the same DATE and DATE_START. See “Rules for unique variable combinations Ⓒ” on BADM Basics: Key Concepts.
    3. DATE_END must be reported if DATE_START is reported.

    DATE_UNC

    Uncertainty in the DATE or DATE_START / DATE_END is an optional variable that can also be reported.

    Date uncertainty is most commonly reported when the single DATE variable is used.

    Report a date uncertainty that is commensurate with the DATE or DATE_START / DATE_END reported. For example if a day is reported for the DATE, date uncertainty should be on the order of days rather than months or years. If a year is reported for the DATE, date uncertainty should be greater than a year.

    Customize and Download CSV for BADM Submission

    After selecting your desired variables, download the customized CSV file for submission of BADM. For additional submission details, see BADM Submission Instructions. See BADM Basics for general BADM details.

    Multiple entries of this BADM group can be reported per site. However, combinations of Ⓒ variables must be unique. Read more: . See BADM Basics for more details.

    Required Variable
    Optional Variable
    Ⓒ Combinations
    Examples
    Open/Close
    Select
  • General Disturbance
    Required Optional
    DM_GENERAL
    DM_DATE Ⓒ OR
  • DM_DATE_START Ⓒ
  • DM_DATE_END
    		• Both
    DM_SURF
    DM_SURF_MEAS_UNC
    DM_DATE_UNC
    DM_COMMENT

    • Submit completed CSV file at Upload Data using the BADM option (login required).