| Variable | Definition |
|---|---|
| Polity | The Seshat Polity ID |
| Year(s) | The years for which we have the data. [negative = BCE] |
| Tag | [Evidenced, Disputed, Suspected, Inferred, Unknown] |
| Verified | A Seshat Expert has approved this piece of data. |
| Variable | Definition |
|---|---|
| irrigation_system | The absence or presence of irrigation system for a polity. |
| # | Polity | Year(s) | Irrigation System | Description | Edit |
|---|---|---|---|---|---|
| 167 |
(Chaulukya Dynasty) |
Full Year Range of Chaulukya Dynasty is assumed. [941, 1245] |
present |
"We learn from Sridhara's Devattapana-prasasti that one of his ancestors was commissioned by Mularaja I to dig square and round wells and tanks (vapi-kupa-tadaga), which shows clearly that from the beginning of the Chaulukya rule officers were employed to look after the irrigation of the country." [Majumdar 1956, p. 216] | |
| 168 |
(Grand Principality of Moscow, Rurikid Dynasty) |
Full Year Range of Grand Principality of Moscow, Rurikid Dynasty is assumed. [1480, 1613] |
present |
EMPTY_COMMENT | |
| 169 |
(Qin Empire) |
Full Year Range of Qin Empire is assumed. [-338, -207] |
present |
c270 BCE Li Bing partially diverted Min river into Chengdu plain. Dujiangyan system. [Keay 2010, p. 84] | |
| 170 |
(Deva Dynasty) |
Full Year Range of Deva Dynasty is assumed. [1150, 1300] |
present |
“In the delta, embanked fields irrigated by monsoon rainwater and worked by ploughs appeared at least 2,500 years ago. Since then this form of crop production has been expanding gradually across the lowlands at the expense of an older system of hoe cultivation on temporary plots.” [van_Schendel 2009] |