Research Methodology - Historical Land Use/Land Cover Classification Using Remote Sensing - page 104

Table 5.3 (continued)

Classes 1975 1987 2005 2007

Other crops N.C. ICARDA-points, and

visual interpretation

GORS-points, and
visual interpretation
for multi-temporal
images in this year

Field work, and visual
interpretation for
multi-temporal
images in this year

Rain-fed crops N.C. Visual interpretation N.C. N.C.

Fallow N.C. Visual interpretation Visual interpretation Visual interpretation

Herbaceous (summer
crops/irrigated):

N.C. N.C. N.C. N.C.

Cotton N.C. ICARDA-points,

statistical records,
and detailed
schemes

GORS-points, and
visual interpretation
for multi-temporal
images in this year

Field work, and visual
interpretation for
multi-temporal
images in this year

Corn N.C. ICARDA-points,

statistical records,
and detailed
schemes

GORS-points, and
visual interpretation
for multi-temporal
images in this year

Field work, and visual
interpretation for
multi-temporal
images in this year

Other crops N.C. ICARDA-points, and

visual interpretation

GORS-points, and
visual interpretation
for multi-temporal
images in this year

Field work, and visual
interpretation for
multi-temporal
images in this year

Fallow N.C. Visual interpretation Visual interpretation Visual interpretation

Natural vegetation Visual interpretation Visual interpretation Visual interpretation Visual interpretation

Artificial surfaces Visual interpretation Visual interpretation Visual interpretation Visual interpretation

Bare areas Visual interpretation Visual interpretation Visual interpretation Visual interpretation

Natural water-bodies Visual interpretation Visual interpretation Visual interpretation Visual interpretation

N.C., not classified