🇾🇪 Yemen · Hydraulic works
Sadd al-Arim Secondary Dam
Sabaean Kingdom 750 BCE - 570 CE · Sabaean (Saba) kingdom
750 BCE Sabaean secondary saddle dam (420 m) and north sluice extension of Marib, doubling irrigated area via 2.1 km north canal.
🇾🇪 Yemen · Hydraulic works
Subeihi Dam
Sabaean Kingdom 800 BCE - 570 CE · Sabaean (Saba) kingdom
800 BCE Sabaean gorge regulator dam (90 m) 2.8 km upstream of Marib, desilting weir for oasis triad.
🇾🇪 Yemen · Hydraulic works
Sadd al-Arim Pylon 3 — Southern Spillway South Pylon (Marib Sadd al-Arim Pylon 3)
Sabaean (700 BCE–580 CE) pylons phased · Sabaean
Third limestone pylon (7.2 m high, 4.5 m wide) of Sadd al-Arim south sluice at Marib Dam (1,085 m), 80 m south of Pylon 1 (main dam axis).
🇾🇪 Yemen · Hydraulic works
Sadd al-Khanas Dam — Wadi Khanas Sabaean Retainer Dam
Sabaean (900–500 BCE) · Sabaean
Sabaean retainer dam (9.5 m high, 220 m crest) on Wadi Khanas tributary 18 km northeast of Marib Dam (1,120 m), with 2.8 km rock-cut feeder canal to Marib north sluice extension.
🇾🇪 Yemen · Hydraulic works
Sadd Al-Rahwah Dam (Hadramawt Highland Dam)
Himyarite–Hadrami to Rasulid · Hadrami kingdom to Rasulid dynasty
Hadramawt highland: 45-m crescent dam at Shibam hinterland, Himyarite 500 BCE–Rasulid 12th c.
🇾🇪 Yemen · Hydraulic works
Wadi Jirdan West Breach Spate Dam (Hadramawt West Distributary)
Hadramawt Kingdom (500 BCE–400 CE) · Hadrami
Hadrami spate diversion (8 m high, 180 m) on Wadi Jirdan west distributary 4 km upstream of Shabwa paleo-delta (720 m), with 3 km earthen bund canal and field system 120 ha still visible as ‘fossil’…
🇾🇪 Yemen · Hydraulic works
Wadi Jirdan Ancient Dam – Hadramawt
Hadhrami Old South Arabian · Hadhramawt kingdom
220-m Hadhrami diversion dam (700 BCE–400 CE) on Wadi Jirdan tributary — Hadramawt palm irrigation.
🇾🇪 Yemen · Hydraulic works
Sadd Ba'ta — Wadi Rada Gravity Dam (Yemeni Highlands)
Himyarite (400–580 CE) · Himyarite
Himyarite gravity dam (11 m high, 140 m crest) in Wadi Rada at Ba'ta (1,680 m) with downstream stepped spillway (7 steps, 1.2 m tread) and 1.6 km contour canal feeding Rada basin terraces.
🇾🇪 Yemen · Hydraulic works
Sadd al-Arim Secondary North Dam Marib
Sabaean to Himyarite · Kingdom of Saba
210-m saddle subsidiary dam 4 km NE of Great Marib storing Jufaynah tributary.
🇾🇪 Yemen · Hydraulic works
Ma'rib — Ancient Dam North (Yemen, Sabaean)
Early Bronze to Medieval (3000 BCE–1400 CE) · Hydraulic culture
Ma'rib — Ancient Dam North (Yemen, Sabaean) in Ma'rib, Ma'rib Dam North, Yemen is a Early Bronze to Medieval (3000 BCE–1400 CE) hydraulic attributed to Hyd…
🇾🇪 Yemen · Hydraulic works
Marib Dam
Sabaean Kingdom, Early South Arabian (~1750 BCE – 570 CE) · Sabaean (South Arabian, Kingdom of Saba)
Earthfill diversion dam spanning the Wadi Adhanah and flanked by the limestone North and South Sluices with Sabaean monumental inscriptions.
🇾🇪 Yemen · Hydraulic works
South Sluice Hydraulic Extension - Marib Oasis
Sabaean c.750 BCE–575 CE; sluice extension · Sabaean (South Arabian)
Marib South Sluice (Masaq) – Sabaean Great Dam's mass southern sluice/spillway assembly (14m high, 600m dam length, 30,000 ha irrigation).