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The phase lag between atmospheric composition (air bubbles) and temperature (water isotopes) can be quantified from ice cores provided that the age difference between entrapped air and the surrounding air can be correctly estimated. This difference depends on the lock-in depth (LID)…
ABSTRACT. We present highly resolved, annually dated, calibrated proxies for atmospheric circulation … from several Antarctic ice cores (ITASE (International Trans-Antarctic Scientific Expedition), Siple … Dome, Law Dome)…
Until recently, the IGS network of global tracking sites was predominently populated y Rogue/Turborogue GPS receivers. Firmware used in these receivers was found to perform poorly during periods of high ionospheric disturbances and, during 1999/2000…