22.02.2013 Views

Carrying Capacity Study of Teesta Basin in Sikkim - Affected ...

Carrying Capacity Study of Teesta Basin in Sikkim - Affected ...

Carrying Capacity Study of Teesta Basin in Sikkim - Affected ...

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

In the hills, thunderstorms <strong>of</strong>ten develop rather rapidly and are<br />

sometimes accompanied with hail. The frequency <strong>of</strong> hail <strong>in</strong> the area is<br />

maximum <strong>in</strong> April and May. Any mitigation that may be achieved would<br />

be <strong>of</strong> great economic benefit to the fruit orchards <strong>of</strong> the Himalayan<br />

terra<strong>in</strong>.<br />

The simplified account <strong>of</strong> the distribution <strong>of</strong> precipitation, while<br />

broadly true, is strongly <strong>in</strong>fluenced by local orographic effects. Actually,<br />

the Himalayan orography is <strong>of</strong> complex type and it is difficult to carryout<br />

any detailed study without hav<strong>in</strong>g a dense net work <strong>of</strong> observatories<br />

which is rare <strong>in</strong> the Eastern Himalayas. It is necessary to establish a<br />

dense net work <strong>of</strong> meteorological stations as described <strong>in</strong> Chapter IV. A<br />

detailed analysis on the very important feature <strong>of</strong> variation <strong>in</strong><br />

precipitation due to changes <strong>in</strong> elevation has not been feasible because<br />

<strong>of</strong> the absence <strong>of</strong> observatories at different elevation under comparable<br />

situations <strong>in</strong> the <strong>Teesta</strong> bas<strong>in</strong> area <strong>in</strong> <strong>Sikkim</strong>.<br />

The meteorology <strong>of</strong> the <strong>Teesta</strong> bas<strong>in</strong> area <strong>in</strong> the Eastern<br />

Himalayas along with the effects on weather conditions <strong>of</strong> <strong>Sikkim</strong>, is <strong>of</strong><br />

great scientific <strong>in</strong>terest. It is necessary to record meteorological data<br />

regularly for further research work on geomorphological problems <strong>of</strong><br />

this critical region. As mentioned earlier, the climatic conditions <strong>of</strong> the<br />

bas<strong>in</strong> <strong>in</strong>clud<strong>in</strong>g the cold environments <strong>of</strong> the upper most reaches are<br />

quite important for the management <strong>of</strong> water resources and the socio-<br />

economic development <strong>of</strong> the bas<strong>in</strong> area. The area <strong>of</strong> <strong>in</strong>terest should<br />

not be merely the productive ecological sites with human settlements<br />

like Lachen etc. but right upto the northern marg<strong>in</strong>al (glacierised)<br />

27<br />

CISMHE

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!