Being an integral effect of sub-seasonal rain spells over the season, the seasonal mean south Asian monsoon (SAM) rainfall could be affected by change in the length of the rainy season (LRS). An objective definition of the duration of the SAM season has, however, been lacking.

The southwest monsoon current in the form of a crossequatorial
low level jetstream (LLJ) with its core at an altitude of about 1.5 km and core wind speeds of 80

South Asian emissions of fossil fuel SO2 and black carbon increased

function loop() { var popurl="image/20040630/32-illus.jpg" winpops=window.open(popurl,"","width=430,height=375,scrollbars=yes") } In nature, nitrogen remains constant. The Earth's

Both nitrogen and phosphorous are essential to life. Lynchpins both to global food production, circulating through synthesis or export and then through croplands and food into