Schematic diagram of the impacts of ENSO events on interannual δDv variation over the TP and surroundings: (a) La Niña event, (b) El Niño event. Arrows refer to atmospheric circulation processes. The cyclonic anomaly, which occurs at 500 hPa, is marked by letter C and the corresponding anticyclonic anomaly is marked by the letter A in panels (a) and (b). Red arrows indicate that δDv values are relatively enriched while green arrows indicate that δDv values are relatively depleted. Thickness of arrow indicates strength of circulation. ENSO, El Niño Southern Oscillation; TP, Tibetan Plateau.

Schematic diagram of the impacts of ENSO events on interannual δDv variation over the TP and surroundings: (a) La Niña event, (b) El Niño event. Arrows refer to atmospheric circulation processes. The cyclonic anomaly, which occurs at 500 hPa, is marked by letter C and the corresponding anticyclonic anomaly is marked by the letter A in panels (a) and (b). Red arrows indicate that δDv values are relatively enriched while green arrows indicate that δDv values are relatively depleted. Thickness of arrow indicates strength of circulation. ENSO, El Niño Southern Oscillation; TP, Tibetan Plateau.

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The contrasting responses of ice core δ¹⁸O records (δ¹⁸Oice) from the northern and southern Tibetan Plateau (TP) to the El Niño Southern Oscillation (ENSO) complicate δ¹⁸Oice‐based temperature reconstructions. These contrasting responses were explored using stable hydrogen isotopes in water vapor (δDv). We found that the interannual variation in δD...

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