February 28, 2007
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FROM VOLUME 7, NUMBER 4, APRIL 1994
- SEA LEVEL: SCIENCE AND TRENDS
Anthropogenic Contributions to Sea Level Rise in the Twentieth
Century," D.L. Sahaglan (Dept. Geol. Sci., Ohio State Univ.,
Columbus OH 43210), F.W. Schwartz, D.K. Jacobs, Nature, 367(6458),
54-57, Jan. 6, 1994. (See GCCD, Feb. 1994)
Estimates that groundwater withdrawal, water diversion and
land-use changes caused at least one-third of sea level rise in
this century, suggesting that climate-related effects are smaller
than previously assumed.
Level Rise at Key West, Florida, 1846-1992: America's Longest
Instrument Record?" G.A. Maul (NOAA, 4301 Rickenbacker
Causeway, Miami FL 33149), D.M. Martin, Geophys. Res. Lett., 20(18),
1955-1958, Sep. 15, 1993. The average rate of sea level rise at
Key West (0.13 cm yr-1) is consistent with IPCC estimates of
global sea level rise.
items from Global & Planetary Change, 8(3),
"Global Sea-Level Changes and Their Measurement,"
P.A. Pirazzoli (CNRS, 1 Pl. Aristide Briand, 92190
Meudon-Bellevue, France), 135-148. Discusses the reliability and
accuracy of a new method that combines data from altimeter
satellites with Global Positioning System geodesy data.
"Absolute Sea Level Measurements, Climate Change and
Vertical Crustal Movements," T.F. Baker (Proudman Oceanog.
Lab., Bidston Observ., Birkenhead, Merseyside L43 7RA, UK),
149-159. Reviews studies on the effect of land movement on
relative mean sea level measurements, summarizes recommendations
on geodetic fixing of tide gauge bench marks, and discusses
"Estimations of a Global Sea Level Trend: Limitations
from the Structure of the PSMSL [Permanent Service for Mean Sea
Level] Global Sea Level Data Set," M. Gröger (Inst.
Geophys., Christian Albrechts Univ., Olshausenstr. 40-60,
D-W-2300 Kiel, Ger.), H.-P. Plag, 161-179. Most studies are based
on PSMSL data that are uneven geographically, and that have gaps
in number of stations reporting and few long records. Globally
averaged values may be useless for detecting climate impacts or
validating climate models.
Sea Level Acceleration," B.C. Douglas, J. Geophys. Res., 97(C8),
12,699-12,706, Aug. 15, 1992. (See GCCD, Mar. 1994.)
of Ice Shelves and the Mass Balance of Antarctica," S.S.
Jacobs (Lamont-Doherty Earth Observ., Palisades NY 10964), H.H.
Helmer et al., J. Glaciol., 38(130), 375-387, 1992.
Calculated the ice budget based on accumulation minus iceberg
breakup, surface runoff, and melting beneath ice shelves. Puts
estimates in the context of the IPCC's best estimate of sea level
Sea Levels for the Last Glacial Period from U-Series Ages of
Submerged Speleothems," D.A. Richards (Dept. Geog., Univ.
Bristol, Bristol BS8 1SS, UK), P.L. Smart, R.L. Edwards, Nature, 367(6461),
357-360, Jan. 27, 1994.
Changes in Mean-Sea-Level to Millimeters Using GPS," V.
Ashkenazi (Inst. Eng. Surveying & Space Geodesy, Univ.
Nottingham, Nottingham NG7 2RD, UK), R.M. Bingley et al., Geophys.
Res. Lett., 20(18), 1951-1954, Sep. 15, 1993.
in UK Extreme Sea Levels: A Spatial Approach," M.J. Dixon
(Dept. Probabil. & Stat., Univ. Sheffield, Sheffield S3 7RH,
UK), J.A. Tawn, Geophys. J. Intl., 111(3), 607-616,
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