Historical Development of the Canal System in the Chao Phraya Delta (Part Ⅰ)
Chao Phraya デルタの運河開発に関する一考察(Ⅰ)

Shigeharu Tanabe
1973 Tonan ajia kenkyu  
The historical dcvelopment of hydraulic works carried out in ccntral Thailand seems closely determined by the physiography of the regi 。 n , which is devided into the old delta , the deltaic high and the delta 刊at ( Takaya : 1971 ) . Thi. g artlcle aims to analyze the regional change of the Chao Phraya delta seen as the Lebens ・ raum ( geDgraphical Iiving space ) of the Siamese people, b ア investigating the f(〕rmative process of the canal system befbre the introduction of the modern irrigation
more » ... modern irrigation ・ transportation syste 皿 operated by ノ鈴 o 〃 z 勗ong ( Department of Canals. 、 Throughout Ayutthayan and the early Ratanakosin periods, many canals of military and tr乱nsportational purposes were excavated by the Siamese kings in the delta fiat region . This reglon , being sparesely populated, was not so important f { 〕r rice cultlvation untill the m 三 d ・ nine − tccnth century . In the mid −nin 巳 teenth century , hQwever , the Siamese Governmcnt , in order to meet the fc )reign demand fbr rice , tried increasing rice production by expanding rice land and , for this purp 〔 〕se , started the construction of a c 乱 nal systern fDr transportational and irrigatiQnal purposes on the west bank ( Mahas 乱wat , Phasicharoen, DamnQcnsaduak , etc . ) . In spite of the efforts of the govcrnment , the rcclamation ef rice land did not yield the expected result as is seen in the case Qf tlle Mahasawat cana1 ; although the large scale land ・ holding de ・ ve 且 oped by royal families and o 缶 cial nobles , vast amounts of land thus occupied were left un − cultivated , ( to be continued ) 1 は じ め に
doi:10.20495/tak.11.1_14 fatcat:7wh6m4sgt5g6diaalhshzstunm