Xây dựng bản đồ phân bố mưa cho khu vực Việt Nam

NGHi€NCLrU-TRflODOi

XAY DIING BAN DO PHAN BO MUA CHO KHU VUC VIET NAM • • •

GS.TS TRA N THUC , PGS.TS NGUYI N VAN THANG , TS MAI VA N KHIEM

ThS NGUYI N BAN G MAU , BA O THj THUY, LE BUY BIEP

Ven Kma hpc Kfii ta(?ng THjy van v^ S^n ^JSi kh' h|u

GS.TS NGUYI N TRON G HIEU

Trmg t3 m Khoa hoc CSr^ ngh$ Khf tut^ng ThSy i/3n vA MSi tn/o'r^

Vfii b8 s6'li§u quan tr^c \\lifng mira dirgfc c^p nhat de'n nam 2010 tai khoing 150 tram

tren quy mO ci nirdc, ke't hctp vdi phiTdng phap chuyen gia trong xSy dung bin do,

nhom tac gia da xay dirng thanh cong hg ban dd phSn b6' lufclng mtra thang, miia va

nam cho Viit Nam. Trong khuon khd bai bao, cac ban dd cho thang chinh cua cac miia,

2 mua chinh (mua kho va mua mira) va nam se diTtfc trinh bay. Nhin chung, cac bin

dd da phan anh ro rang phSn bd' cua IUOng mira tren quy md ci nudc, dac biet la cac

tam mUa Idn va cac vung mUa it. Cac khu vuc cd tdng luong mua ndm Idn dang chu y

la Lai Chau, Lao Cai - Yen Bai, Ha Giang, khu vUc td Ha TTnh ddn Quing Nam, nam

Tdy Nguydn va mdt phan cUc nam cua Nam Bp. D3y la mdt phdn kdt qui cia Dd tai

"Nghidn cl7u xiy liung Atlas khi hau va bien ddi khi hiu Viit Nam", ma sdBDKH-17,

thudc Chuong trinh KH&CN phuc vu ChUUng trinh muc tiSu qud'c gia Ung phd vdi bidn

ddi khi h$u (KHCN-BDKH/11-15).

n Ichoa: ban do, luang mita.

MAPPING TIIR DWNrMJ ,

DISTQIRLITION KOD VIKTNA

Based on the rainfall observation data updated to 2010

at about 150 stations over Vietnam, raintall distriltution

maps tor montbs, seasons and years bave been built by

Ibe Expert Metbods ol Mapping (EMM). In Ibis paper, the

4 monthly rainfall maps {4 major months ot 4 seasons},

2 seasonal rainfall maps (dry and rainy seasons) and an

annual rainlall map will be presented. In general, these

maps clearly reflect the distribution of raintall, especially

in the heavy raintall and less rainfall areas. The heaviest

rainfall areas are Lai Chau, Lao Cai - Yen Bai, Ha Giang,

the area trom Quang Nam to Ha Tinh, South Central

Highlands and the southernmost part ol the South.

liet words: map, rainfall.

Moldau

Mtia la mpt trong nhOng bien khf tiau quan

itrong ntiat, cd lien quan triic tiep den phat

Itrien kinh te - xa hpi va thien tai d nudc ta.

Icac danh gia phan bd lUOng mua theo khong

•gian va thdi gian gitjp cho cac nha hoach djnh

Ichmh sach va ngudi stf dung nhan biet ro ve

Ivijng It mUa, vung mua nhieu cung nhu thang

Inao cd mUa nhieu, thang nao it mUa. Do vay,

• viec xay dUng cac ban do phan bd mua trung

Ibinh nhieu nam cd y nghTa rat quan trpng va

lean thiet.

Khf hau Viet Nam dUdc quyet dinh bdi mdi

ItL/dng quan phiJc tap giQa hoan luu gid mtja

I tren nen nhiet dp cao cua vung npi chi tuyen.

I Chinh sii giao tranh cua cac he thdng thdi

I tiet cd ngudn gdc va ban chat khac nhau trSn

InhOng quy mo khac nhau tti quy mo synd'p

Iden quy mo dia phUdng da tao ra che dd thai

A not

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