|
(269)
aircraft,
nasa er-2,
dc-8,
helicopter,
dhc-6...
|
|
(56)
maps,
aerial photographs...
|
|
(28)
radiosondes,
balloons,
dropwindsondes...
|
|
(133)
models,
dem,
gcm...
|
|
(1330)
noaa poes (polar orbiting environmental satellites),
terra,
aqua,
landsat,
goes (geostationary operational environmental satellite)...
|
|
(3)
gps (global positioning system)...
|
|
(676)
ground-based observations,
ground stations,
weather stations/networks,
field surveys,
field investigation...
|
|
(9)
ace,
eos (earth observing system),
smm,
acrimsat...
|
|
(42)
ships,
buoys,
ocean platform/ocean stations,
floats...
|
|
(11)
space shuttle...
|
|
|