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Acknowledgements
ThetheJapansion，forauthors

thankDr．S．Arakawa，head

theMaritiine

Meteorological

Division

Mr．T．Noda，chief

technical

officer

same

Divi−

the・NorthPacific

Meteorological

Agencyandtheoforiginalpresentation

theofdataof

theofset．

ReferencesJapan

Meteorological

Agency，1977：Marine

Ocean，for1961−1970，Japan
Kato，K．，1985：Heat
the

loWer

budgetlayer

inoverthetheTenki，32，425−438（inClimatological

Meteorologicalatmosphere

Okhotsk

TablesAgency，Tokyo，1−188

an（ithecasestudy（1uring

Sea（Aofvariation

Qftheairtemperature

theBaiu

Seasonininl979），Japanese）．

Lydolph，P．E．，1977：World

surveyofclimatology，7，Elsevier，Amsterdam，117−150．

尾形哲，1969：オホーツク海における海況と気象との関連について．気象研究ノート第101号，
16−46．

Terada，K』andofM．Hanzawa，1984：Climate

climatology15，Loon

U．S．Weather

BureauOceanographic
ing

and

atlas

of

theNorth

H．V．，e（iitors，Elsevier

U．S．Navy
formariners

Office，Washingt6n，D．．C．，chart

Hydrographic
voL

Pacific

2

surveyAmsterdam，193−262。

Office，1961：Climatological

H，North．Pacific

H59．

OCean．In：World

Ocean，U．S．Government

andPrint−