Seattle
Vertical land movement
WASH.
1.5
3.5
5.0
mm/year
Portland
MAINE
MONT.
N.D.
VT.
ORE.
MINN.
N.H.
Boston
IDAHO
N.Y.
S.D.
WIS.
MASS.
MICH.
CONN.
Detroit
WYO.
R.I.
New York
Chicago
PA.
Philadelphia
IOWA
N.J.
NEV.
NEB.
OHIO
IND.
Columbus
San Francisco
Washington, D.C.
Indianapolis
Denver
DEL.
UTAH
ILL.
MD.
San Jose
W.VA.
COLO.
VA.
MO.
KAN.
CALIF.
Las Vegas
KY.
N.C.
Nashville
Charlotte
Los Angeles
ARIZ.
TENN.
Oklahoma City
San Diego
OKLA.
Phoenix
ARK.
N.M.
Memphis
S.C.
GA.
Dallas
Ft. Worth
ALA.
MISS.
El Paso
Jacksonville
TEXAS
LA.
Austin
Houston
San Antonio
FLA.
新研究表明，一個主要原因是抽取了過多的地下水，威脅著全國的建築物和基礎設施。
Across America, Big Cities Are Sinking. Here’s Why.
A major reason is too much groundwater
is being pumped out, new research shows, threatening buildings and infrastructure nationwide.
Several of the most affected areas are in Texas, particularly around Fort Worth and Houston. But the problem is nationwide, affecting cities as scattered as Seattle, Detroit and Charlotte, N.C.
Seattle
Vertical land movement
WASH.
1.5
3.5
5.0
mm/year
Portland
MAINE
MONT.
N.D.
VT.
ORE.
MINN.
N.H.
Boston
IDAHO
N.Y.
S.D.
WIS.
MASS.
MICH.
CONN.
Detroit
WYO.
R.I.
New York
Chicago
PA.
Philadelphia
IOWA
N.J.
NEV.
NEB.
OHIO
IND.
Columbus
San Francisco
Washington, D.C.
Indianapolis
Denver
DEL.
UTAH
ILL.
MD.
San Jose
W.VA.
COLO.
VA.
MO.
KAN.
CALIF.
Las Vegas
KY.
N.C.
Nashville
Charlotte
Los Angeles
ARIZ.
TENN.
Oklahoma City
San Diego
OKLA.
Phoenix
ARK.
N.M.
Memphis
S.C.
GA.
Dallas
Ft. Worth
ALA.
MISS.
El Paso
Jacksonville
TEXAS
LA.
Austin
Houston
San Antonio
FLA.
The sinking of land, also called subsidence, can worsen the effects of sea-level rise, intensify flooding and strain the very foundations of urban infrastructure.
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