Table 2: Some features of atmospheric annual precipitable water of Iran during the three periods of upper-air reanalyzed data retrieved from NCEP/NCAR. (Q means Quartile).
Period |
Type Of Trend |
Coverage (%) |
Sig Level |
Coverage (%) |
Period |
Type Trend |
Coverage (%) |
Sig Level |
Coverage (%) |
1951-1955 |
Decr |
29.16 |
Sig |
0 |
1988-2011 |
Decr |
79.16 |
Sig |
16.6 |
Not Signt |
29.1 |
Not Signt |
62.5 |
Incr |
70.8 |
Sig |
1.8 |
Incr |
20.8 |
Sig |
0 |
Not Sig |
68.8 |
Not Sig |
20.8 |
1956-1988 |
Decr |
50 |
Sig |
4.2 |
1951-2011 |
Decr |
91.6 |
Sig |
83.3 |
Not Sig |
45.8 |
Not Sig |
8.2 |
Incr |
50 |
Sig |
25 |
Incr |
8.33 |
Sig |
0 |
Not Sig |
25 |
Not Sig |
8.3 |