Current Science

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We have developed the first annually resolved ringwidth chronology (AD 1880-2002) of chir pine (Pinus roxburghii) from Balcha in Tons valley, western Himalaya. The existence of significant positive relationship between ring-width indices and June-August mean temperature obtained in cross-correlation analysis endorsed the dendroclimatic potential of chir pine chronologies. Using such strong relationship, statistically verifiable first chir pine chronology-based June-August temperature (AD 1880-2001) was reconstructed for the western Himalaya. The calibration model capturing 16% of the variance in instrumental data (AD 1901-1998) showed that the network of such chronologies should help in developing robust temperature records for the western Himalaya.

Keywords

Dendroclimatic Potential, Pinus roxburghii, Ring-Width Chronology, Summer Temperature.
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