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Aerosols, Monsoon Rainfall Variability, and Climate Change

Aerosols, Monsoon Rainfall Variability, and Climate Change

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Effect of absorbing aerosols on snow melt<br />

over the Tibetan Plateau (EHP Effect)<br />

(GEOS4‐fvGCM with Slab Ocean Model)<br />

Aerosol Optical Depth<br />

1. Slow melting phase (I) in April is initiated by<br />

sensible heat transfer from warmer atmosphere to<br />

l<strong>and</strong>.<br />

2. Rapid melting phase (IIA) is due to an<br />

evaporation-snow-l<strong>and</strong> feedback coupled to an<br />

increase in moisture over TP<br />

3. Melting is slowed down by increasing surface<br />

evaporation in Phase IIB.<br />

4. Partial recovery (Phase III)<br />

Surface Skin Temp (AA-NA)<br />

Lau, K. M., M. K. Kim, K. M. Kim, <strong>and</strong> W. S. Lee, 2010: Enhanced surface warming <strong>and</strong> accelerated snow melt in<br />

the Himalayas <strong>and</strong> Tibetan Plateau induced by absorbing aerosols. Environ. Res. Lett.

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