Global mean sea level variations from TOPEX/POSEIDON altimeter data
- NASA Goddard Space Flight Center, Greenbelt, MD (United States)
The TOPEX/POSEIDON satellite altimeter mission has measured global mean sea level every 10 days over the last 2 years with a precision of 4 millimeters, which approaches the requirements for climate change research. The estimated rate of sea level change is +3.9 {+-} 0.8 millimeters per year. A substantial portion of this trend may represent a short-term variation unrelated to the long-term signal expected from global warming. For this reason, and because the long-term measurement accuracy requires additional monitoring, a longer time series is necessary before climate change signals can be unequivocally detected. 37 refs., 1 fig.
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 50808
- Journal Information:
- Science, Vol. 268, Issue 5211; Other Information: PBD: 5 May 1995
- Country of Publication:
- United States
- Language:
- English
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