Details and Metadata

Printer-friendly version     View XML version    Download Ecological Metadata Language file


Methods

The methods followed in the creation of the dataset, including description of field, laboratory and processing steps, and quality control procedures

Past Methods (No longer in use)

  • Aerial surveys
    Started: 1985-07-01
    Ended: 2000-12-31

    360 acre aerial photo blocks taken on a grid of 170 statewide points. Aerial surveys flown in 1985, 1995 and 2000

  • Ground surveys
    Started: 1986-07-01
    Ended: 2006-12-31

    Ground surveys on 84 plots to assess dieback and mortality, conducted the year following the aerial surveys. Surveys conducted in 1986, 1991, 1996, 2001 and 2006

  • Images for stereoscope
    Started: 1985-07-01
    Ended: 2000-12-31

    Bursts of 5 photos taken at each point for use with stereoscope

Dataset Fields

Detailed documentation of the fields comprising the dataset, including the type of measurement, units where applicable, and any controlled vocabularies or code lists present in the data


Field Name Caption Description Additional Information
CCCloud cover

Number of cells obscured by cloud cover

Measurement type: Ratio
Units:
H1H1

Hardwood pole 1

Measurement type: Ratio
Units:
H2H2

Hardwood pole 1

Measurement type: Ratio
Units:
H3H3

Hardwood pole 3

Measurement type: Ratio
Units:
H4H4

Hardwood pole 4

Measurement type: Ratio
Units:
HP5HP5

Hardwood pole 5

Measurement type: Ratio
Units:
HP6HP6

Hardwood pole 6

Measurement type: Ratio
Units:
HS5HS5

HS5

Measurement type: Ratio
Units:
INInundated cells

Number of cells inundated by water

Measurement type: Ratio
Units:
MISSEDMISSED

MISSED

Measurement type: Ratio
Units:
NONNON

NON forest

Measurement type: Ratio
Units:
OTHEROther forest cells

Number of cells of non-hardwood forest

Measurement type: Ratio
Units:
PHOTO#PHOTO#

PHOTO #

Measurement type: Nominal
TOTALTOTAL

Total number of cells interpreted in the photograph

Measurement type: Ratio
Units:

Sampling Equipment

Equipment and software used to collect data, including how that equipment was used.

Past Sampling Equipment (No longer in use)

  • Aerial camera
    Started: 1985-07-01
    Ended: 1995-09-30

    Zeiss RMK 21/23 9" aerial camera.

  • Navigational system
    Started: 1990-07-01
    Ended: 1995-09-30

    Loran C navigational system

Site Characteristics

The spatial extent of the dataset site coverage, and descriptions of the spatial extent and context for the data collection

  • Site Description

    Vermont hardwood forests