And daily variation showed two peaks of NO_2 mass concentration in the time period of from 8:00 to 12:00 and from 20:00 to 24:00.The car emission and fuel burning in daily life were the main sources of NO_2 around the Lhasa city at present in terms of human devotion,and the special weather condition in the aerosphere was another factor that affected the variability of NO_2 mass concentration in the city.
SiO_2/Al_2O_3 in piston core S19, collecting from the slope, were good relative with sea surface temperature (SST), calculated by planktonic foraminiferal transfer function EP-12E, both higher in δ~(18)O stage 1 and 3, lower in the stage 2. It reflected on different weathering eluviation in different weather condition, so it may be another proxy of paleoclimate in slope area.
The results indicate that the vehicle trip probability has a direct proportion relation with trip distance and inverse proportion relation with severe weather condition, their influence degrees are 10%~50%. 3 tabs, 3 figs, 6 refs.
Radar detect efficiency was vital influenced by target character and weather condition, echo yawp information is complex and difficult to be disposed, this result in that radar detect information is not well precise and difficult to be used to assist make decision.
Making use of NOAA/AVHRR data of channel 3 and the floor forest distribution and the weather condition at the same time,we can effectively monitor forest fires and calculate the fired areas by temperature differences of radiation between AVHRR data of channel 3 and those of channel 4.The major period during which forest fires take place mostly is from October to April of the following year,it is the period of forest fire-proofing in Jiangxi province.
Making use ofNOAA/AVHRR data of channel three and weather condition at the same time,We can effec-tively monitor forest fires and calculate the fired forest areas by temperature differences of radi-ationbetween AVHRR data of Channel 3 and those ofchannel 4.
The result indicates that effect of temperature-increasing on different weather condition is significant. Compared with yard, the increase of indoors minimum and mean air temperature on south-side is 7.7～10.0 ℃ and 4.6～5.8 ℃;
Measurements of atmospheric electrical and meteorological parameters during different meteorological conditions indicate that the use of the conception 'Fair weather condition' in atmospheric electricity is discussable.
On the conception 'Fair weather condition' in atmospheric electricity
Using daily synoptic weather maps, the nitrate measurements have been partitioned according to the weather condition on the day of measurement.
Weather routing of ships is used to establish the shortest time route or the most economical route from a departure to arrival point by applying available information of the weather condition viz.
The moisture content of stored seeds was found to fluctuate with the prevailing weather condition, being low during the dry season and slightly high during the wet season.