ACE-Asia Site Information Form

Site Name: Lan-Yu

Site Coordinator

(Name, Address, Telephone/Fax, Email)

Po-Hsiung Lin

Dept. of Atmos. Sci., National Taiwan Univ.

61, Ln 144, Sec 4 Keelung Road, 106, Taipei, Taiwan

TEL: 886-2-2362-7422

FAX: 886-2-2363-3642


Site Location

Nearest city or town: Taitung Time difference from UTC (Hours): +8

Latitude (decimal degrees): 22 2 14.3 Longitude (decimal degrees): 121 33 29.2

Elevation (meters above MSL): 348

General Site Characteristics

Brief description of regional landscape:

Lan-Yu is a 46 km2 island with lower native population. It is 310 Km south-eastern away of Taipei city and the shortest distance to Taiwan Land is 60Km. The intensive observing site is located in the Central Weather Bureau (CWB) Lan-Yu station which is on the moutains ridge of this Lan-Yu island.

The site area uses with 200 meters:


Potential local sources of contamination (Coal and biomass burning, agricultural fertilizers, major highways, local dust, overhanging vegetation, etc.) Distance and location from site/size/seasonal variability:

Two valleys along the unique beach road locate on the eastern and western sides of the Lan Yu site. Small farms are besides

Security issues/Site access constraints (4-wheel drive road, gates/locks, time of day/week/month/year, etc.):

The road up to the hill is so sharp that it s not recommended to drive a general-use car or motorcycle by oneself. One 4-wheel car belonged to the CWB is the main transportation for visitors.

Climatological Conditions

Annual precipitation (mm): 3056 mm
Rainy/dry seasons: Rainy season =5~2, next year / Dry season = March and April
Source(s) of local weather information:
Central Weather Bureau

Site Facilities


Tower height (m):

Space available on tower (m2):

Tower access (lifts/stairs):

Electrical Power

Type (Voltage/Hz): 110/50

Commercial or generator?: commercial with power generator for emergency

Estimated power available (kW hr-1):


Office space available (m2): 50*50

Lab space available (m2): 4*7

Storage space available (m2): 2*2


Telephone at site? (if yes, give number): 886-089-731-582

Fax at site? (if yes, give number): 886-089-732-282

Internet access at site?: no

Relevant Internet Links: no

Samplers, Meteorological Instrumentation and Data

Ongoing sampling and analytical protocols (include length of time in operation)

What routine atmospheric sampling (aerosols/gases/radiation) is done at the site?

Aerosol: none

Gases: NO, NO2,NOX, O3,SO2,CO2, CO

Radiation: UV-A, UV-B, global short wave (SW) radiation

Special ACE-Asia sampling and analytical protocols (include length of time in operation)

What additional work is being planned for the site during the ACE-Asia intensive?

Radiation: broad band global & diffused SW, direct SW at .

Meteorological instrumentation operating (include length of time in operation)

What meteorological instrumentation is at the site? Are sondes launched?

General items of meteorological observation on ground

No radiosonde or Ozonesonde are launched


Data records and other information available (include start date/end date of data records)

Are the atmospheric/meteorological data archived and available?

Yes, all the measurements are archived into digital format.


On site and support staff

Number of permanent staff: 5

Number of additional staff expected for ACE-operations: 0

Travel Information and Accommodations

Nearest airport/train station: Taitung

Nearby accommodations/restaurants: Hotels and apartments are 3 km from the site. Are there places to eat nearby? Yes, but the meal is simple and hardly.


Other Logistics

Other facilities and supplies available: Meteorological observatory and radar installation nearby. Are there other groups who could help, such as schools, universities, government labs, etc.? No

Access to supplies: Are there equipment/electrical parts suppliers nearby? No


Diagrams, Images and Photos

Photos of site available? Yes

Layout of trailers and tower (drawing) available? No

Aerial view of the site (photo or image) available? Yes

Layout of space inside trailers (drawing, photo or image) available? Yes


Other Comments