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			Photo #: NASA6-703-44 Date: Oct. 1997 Geographic Region: ITALY Feature: PO RIVER VALLEY, SMOG



	NASA6-703-044 Po River Valley Smog, Italy Fall/Winter 1997 The snow capped higher elevations of the Italian, Swiss, and French Alps mountains provide a natural barrier to the outward migration of smog shown here filling the Po River Valley of northern Italy. This southwest-looking view shows a dense sea of air pollution (extensive, lighter colored area-center of image) that is trapped from time to time by air stagnation in the heavily industrialized Po River Valley. The picture shows that air pollution even infiltrates the numerous mountain valleys that surround this river basin. The smog appears to be less dense towards the eastern side of the basin where the terrain is visible though the hazy-looking atmosphere. A small section of the Rhone River Valley can be traced through the Swiss Alps near the right edge (middle) and the small patch of whiteness along the right edge (middle) is a low deck of clouds over Lake Geneva.

Images:	All Available Images Low-Resolution 347k
Mission:	NASA6
Roll - Frame:	703 - 44
Geographical Name:	ITALY
Features:	PO RIVER VALLEY, SMOG
Center Lat x Lon:	45.5N x 10.0E
Film Exposure:	N	N=Normal exposure, U=Under exposed, O=Over exposed, F=out of Focus
Percentage of Cloud Cover-CLDP:	20
Camera:	HB
Camera Tilt:	LO	LO=Low Oblique, HO=High Oblique, NV=Near Vertical
Camera Focal Length:	100
Nadir to Photo Center Direction:		The direction from the nadir to the center point, N=North, S=South, E=East, W=West
Stereo?:	N	Y=Yes there is an adjacent picture of the same area, N=No there isn't
Orbit Number:
Date:	19971019	YYYYMMDD
Time:		GMT HHMMSS
Nadir Lat:	N	Latitude of suborbital point of spacecraft
Nadir Lon:	E	Longitude of suborbital point of spacecraft
Sun Azimuth:		Clockwise angle in degrees from north to the sun measured at the nadir point
Space Craft Altitude:		nautical miles
Sun Elevation:		Angle in degrees between the horizon and the sun, measured at the nadir point
Land Views:	MOUNTAIN, VALLEY, BASIN
Water Views:	LAKE, RIVER, SEA
Atmosphere Views:	SMOG, DUST
Man Made Views:	POLLUTION
City Views:

Photo is not associated with any sequences

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