{
 "id": "concept/diwan-al-ma",
 "class": "concept",
 "slug": "diwan-al-ma",
 "label": {
  "ar": "ديوان الماء",
  "en": "The Diwan of Water"
 },
 "summary": {
  "ar": "ديوان الماء عند العباسيين، ديوان خصصوه لماء الري والإشراف على شق الترع وصيانة السدود وتنظيم الري في مصر والعراق واليمن وشمال شرقي فارس وبلاد ما وراء النهر، ذكره الخوارزمي في مفاتيح العلوم.",
  "en": "The Abbasid Diwan of Water — the office charged with irrigation water: cutting canals, maintaining dams, and organising irrigation across Egypt, Iraq, Yemen, north-eastern Persia and Transoxiana, as al-Khwarizmi lists it in Mafatih al-Ulum."
 },
 "stub": false,
 "wings": [
  "place"
 ],
 "regions": [
  "levant-iraq",
  "egypt-nile",
  "persia-central-asia"
 ],
 "periods": [
  "period/abbasid-fragmentation",
  "period/buyid-seljuk-fatimid-era"
 ],
 "tags": [],
 "aliases": [],
 "themes": [],
 "data": {
  "kind": "political",
  "sources": [
   "source/tarikh-islam-hasan-ibrahim"
  ],
  "provenance": {
   "layer": "own-research",
   "source": "حسن إبراهيم حسن، تاريخ الإسلام ج4 — الحالة الاقتصادية، ص372، عن الخوارزمي مفاتيح العلوم ص45",
   "generated_by": "Devin (SWE-2 High) from Apple Vision OCR",
   "model": "swe-2-high",
   "run": "lib-hasanibrahim-11"
  },
  "status": {
   "review": "draft",
   "completeness": 1,
   "generated_by": "Devin (SWE-2 High); extracted from Hasan Ibrahim Tarikh al-Islam via Apple Vision OCR"
  }
 },
 "prose": {
  "ar": {
   "sections": [
    {
     "heading": "موجز",
     "markdown": "ديوان الماء ديوان عباسي خُصص لماء الري. يذكره حسن إبراهيم حسن عن الخوارزمي في «مفاتيح العلوم». {cite:tarikh-islam-hasan-ibrahim p.372}"
    },
    {
     "heading": "عمله",
     "markdown": "كان يشرف على شق الترع وصيانة السدود وتنظيم الري. ويذكر المؤلف أنه كان في مصر والعراق واليمن وشمال شرقي فارس وبلاد ما وراء النهر. {cite:tarikh-islam-hasan-ibrahim p.372}"
    }
   ],
   "frontmatter": {
    "id": "concept/diwan-al-ma",
    "lang": "ar",
    "source_lang": "ar",
    "translators": []
   }
  },
  "en": {
   "sections": [
    {
     "heading": "Overview",
     "markdown": "The *diwan al-ma'* (the office of water) was an Abbasid office devoted to the water of al-Ray. Hasan Ibrahim Hasan mentions it, citing al-Khwarizmi in *Mafatih al-ulum*. {cite:tarikh-islam-hasan-ibrahim p.372}"
    },
    {
     "heading": "Its work",
     "markdown": "It supervised the digging of canals, the maintenance of dams, and the regulation of irrigation. The author notes that it existed in Egypt, Iraq, Yemen, north-east Persia, and Transoxiana. {cite:tarikh-islam-hasan-ibrahim p.372}"
    }
   ],
   "frontmatter": {
    "id": "concept/diwan-al-ma",
    "lang": "en",
    "source_lang": "ar",
    "translators": [
     "Claude Haiku 5.5 (claude-haiku-5-5), draft translation"
    ]
   }
  }
 },
 "degree": 0,
 "contemporaries": [],
 "connections": [],
 "related": [],
 "license": {
  "prose": "CC BY-SA 4.0",
  "data": "CC0 1.0"
 }
}