Geography Guam

Location:

Oceania, island in the North Pacific Ocean, about three-quarters of

the way from Hawaii to the Philippines

Geographic coordinates:

13 28 N, 144 47 E

Map references:

Oceania

Area:

total: 549 sq km

water: 0 sq km

land: 549 sq km

Area - comparative:

three times the size of Washington, DC

Land boundaries:

0 km

Coastline:

125.5 km

Maritime claims:

exclusive economic zone: 200 NM

territorial sea: 12 NM

Climate:

tropical marine; generally warm and humid, moderated by northeast

trade winds; dry season from January to June, rainy season from July

to December; little seasonal temperature variation

Terrain:

volcanic origin, surrounded by coral reefs; relatively flat

coralline limestone plateau (source of most fresh water), with steep

coastal cliffs and narrow coastal plains in north, low hills in

center, mountains in south

Elevation extremes:

lowest point: Pacific Ocean 0 m

highest point: Mount Lamlam 406 m

Natural resources:

fishing (largely undeveloped), tourism (especially from Japan)

Land use:

arable land: 10.91%

permanent crops: 10.91%

other: 78.18% (1998 est.)

Irrigated land:

NA sq km

Natural hazards:

frequent squalls during rainy season; relatively rare, but

potentially very destructive typhoons (June - December)

Environment - current issues:

extirpation of native bird population by the rapid proliferation of

the brown tree snake, an exotic, invasive species

Geography - note:

largest and southernmost island in the Mariana Islands archipelago;

strategic location in western North Pacific Ocean

The 2003 CIA World Factbook · 第 1034 / 3264 题