1
[Live]Titian Sirat Dan Mizan - Ustaz Wadi Annuar
[Live]Titian Sirat Dan Mizan - Ustaz Wadi Annuar
DATE: 2014/01/30::
2
[LIVE][130215] "Fitnah Dajjal" - Ustaz Wadi Annuar
[LIVE][130215] "Fitnah Dajjal" - Ustaz Wadi Annuar
DATE: 2015/02/13::
3
Babu Wadi Wadi
Babu Wadi Wadi
DATE: 2011/01/26::
4
მშვიდობით! , წადი.. iago kupreishvili ❤ ℬ mshvidobit ! ..wadi..
მშვიდობით! , წადი.. iago kupreishvili ❤ ℬ mshvidobit ! ..wadi..
DATE: 2013/06/04::
5
Narbachi Wadi (2013) - Full Marathi Movie - Dilip Prabhavalkar, Manoj Joshi, Kishori Shahane
Narbachi Wadi (2013) - Full Marathi Movie - Dilip Prabhavalkar, Manoj Joshi, Kishori Shahane
DATE: 2015/02/03::
6
مسلسل وادي الذئاب الجزء التاسع الحلقة 47 + الحلقة 48 مترجم wadi diab 253
مسلسل وادي الذئاب الجزء التاسع الحلقة 47 + الحلقة 48 مترجم wadi diab 253
DATE: 2015/04/02::
7
وادي الذئاب الجزء 9 التاسع اعلان الحلقتين 51 + 52 مترجم Wadi diab 9 ep 51 + 52 HD
وادي الذئاب الجزء 9 التاسع اعلان الحلقتين 51 + 52 مترجم Wadi diab 9 ep 51 + 52 HD
DATE: 2015/04/13::
8
Wadi Diab 9 épisode 1 وادي الذئاب الجزء التاسع الحلقة
Wadi Diab 9 épisode 1 وادي الذئاب الجزء التاسع الحلقة
DATE: 2014/09/23::
9
[LIVE][250515] Ramadhan & Kematian - Ustaz Wadi Annuar
[LIVE][250515] Ramadhan & Kematian - Ustaz Wadi Annuar
DATE: 2015/05/25::
10
[LIVE][290614]Suasana Di Barzakh - Ustaz Wadi Annuar
[LIVE][290614]Suasana Di Barzakh - Ustaz Wadi Annuar
DATE: 2014/06/29::
11
Ustaz Wadi Anuar | Ini Zaman`nya ( Dajjal )
Ustaz Wadi Anuar | Ini Zaman`nya ( Dajjal )
DATE: 2015/05/14::
12
[LIVE][290914] "Kebangkitan Al-Mahdi dan Tenteranya" - Ustaz Wadi Annuar
[LIVE][290914] "Kebangkitan Al-Mahdi dan Tenteranya" - Ustaz Wadi Annuar
DATE: 2014/09/29::
13
[LIVE][310315] "Perjalanan Ke Alam Barzakh" - Ustaz Wadi Annuar
[LIVE][310315] "Perjalanan Ke Alam Barzakh" - Ustaz Wadi Annuar
DATE: 2015/03/31::
14
Ustaz Wadi Anuar | Perjalanan Alam Barzakh
Ustaz Wadi Anuar | Perjalanan Alam Barzakh
DATE: 2015/04/07::
15
[LIVE][190215] Nikmat Syurga, Azab Neraka - Ustaz Wadi Annuar
[LIVE][190215] Nikmat Syurga, Azab Neraka - Ustaz Wadi Annuar
DATE: 2015/02/18::
16
KIAMAT Dekat Dah Bang..Get Ready Jela - Ustaz Wadi Annuar 2015 Terbaru
KIAMAT Dekat Dah Bang..Get Ready Jela - Ustaz Wadi Annuar 2015 Terbaru
DATE: 2015/03/06::
17
Wadi El Zeeab S5 Ep72
Wadi El Zeeab S5 Ep72
DATE: 2013/02/09::
18
[LIVE][261014]Nikmat Syurga Dan Azab Neraka - Ustaz Wadi Annuar
[LIVE][261014]Nikmat Syurga Dan Azab Neraka - Ustaz Wadi Annuar
DATE: 2014/10/25::
19
2 Nasihat Buat Tazkirah Masa Ramadhan - Ustaz Wadi Anuar Terbaru 2015
2 Nasihat Buat Tazkirah Masa Ramadhan - Ustaz Wadi Anuar Terbaru 2015
DATE: 2015/05/16::
20
[LIVE]Peristiwa Sebelum Kiamat - Ustaz Wadi Annuar
[LIVE]Peristiwa Sebelum Kiamat - Ustaz Wadi Annuar
DATE: 2014/04/05::
21
Golongan Yang Masuk NERAKA Tanpa HISAB - Ustaz Wadi Anuar Terbaru 2015
Golongan Yang Masuk NERAKA Tanpa HISAB - Ustaz Wadi Anuar Terbaru 2015
DATE: 2015/06/05::
22
music wadi diab 7 2013
music wadi diab 7 2013
DATE: 2013/04/07::
23
Wadi Adventure, Al Ain - Select Contracts
Wadi Adventure, Al Ain - Select Contracts
DATE: 2012/01/27::
24
Kisah Asal Arah KIBLAT Dan Solat 5 Waktu - Ustaz Wadi Anuar Terkini
Kisah Asal Arah KIBLAT Dan Solat 5 Waktu - Ustaz Wadi Anuar Terkini
DATE: 2015/04/12::
25
(BARU) Suasana Padang Mahsyar Kelak - Ustaz Wadi Anuar Terbaru 2015
(BARU) Suasana Padang Mahsyar Kelak - Ustaz Wadi Anuar Terbaru 2015
DATE: 2014/11/18::
26
Pengajaran Dari Mukjizat Israk & Mikraj ~ Ustaz Wadi Annuar
Pengajaran Dari Mukjizat Israk & Mikraj ~ Ustaz Wadi Annuar
DATE: 2015/05/23::
27
[300913] Suasana Di Mahsyar (Bahagian 1) - Ustaz Wadi Annuar
[300913] Suasana Di Mahsyar (Bahagian 1) - Ustaz Wadi Annuar
DATE: 2013/10/17::
28
(BARU) Saat Umat Manusia Ditimbang Amalannya di Padang Mahsyar - Ustaz Wadi Anuar 2015
(BARU) Saat Umat Manusia Ditimbang Amalannya di Padang Mahsyar - Ustaz Wadi Anuar 2015
DATE: 2014/11/18::
29
[LIVE]Daurah Surah Al-Kahfi - Ustaz Wadi Annuar Ayob
[LIVE]Daurah Surah Al-Kahfi - Ustaz Wadi Annuar Ayob
DATE: 2015/01/03::
30
hot kompoti_wadi shors wadi
hot kompoti_wadi shors wadi
DATE: 2013/03/03::
31
27-MAC-2015 | Kiamat Hampir Tiba ~ Ustaz Wadi Annuar Ayub
27-MAC-2015 | Kiamat Hampir Tiba ~ Ustaz Wadi Annuar Ayub
DATE: 2015/03/27::
32
(PANAS) Peristiwa Sebelum Kiamat - Ustaz Wadi Anuar 2015 PART 1
(PANAS) Peristiwa Sebelum Kiamat - Ustaz Wadi Anuar 2015 PART 1
DATE: 2014/11/14::
33
وادي الذئاب 9 الحلقة 45+46 مترجم - WADI DIAB 9 EP 45+46
وادي الذئاب 9 الحلقة 45+46 مترجم - WADI DIAB 9 EP 45+46
DATE: 2015/04/03::
34
Wadi diab 8 ep 40 وادي الذئاب الجزء الثامن الحلقة 40 مدبلجة للعربية HD Arabic
Wadi diab 8 ep 40 وادي الذئاب الجزء الثامن الحلقة 40 مدبلجة للعربية HD Arabic
DATE: 2015/06/15::
35
Maha Rahathun Wadi Maga Osse - TV Derana Poson Dharma Deshanava
Maha Rahathun Wadi Maga Osse - TV Derana Poson Dharma Deshanava
DATE: 2015/06/02::
36
Flood River Flyer Slide at Wild Wadi Water Park
Flood River Flyer Slide at Wild Wadi Water Park
DATE: 2015/05/09::
37
Maha Rahathun Wadi Maga Osse - Dharma Sakachchawa
Maha Rahathun Wadi Maga Osse - Dharma Sakachchawa
DATE: 2015/06/14::
38
Menuju Ramadhan ~ Ustaz Wadi Annuar
Menuju Ramadhan ~ Ustaz Wadi Annuar
DATE: 2015/06/05::
39
[LIVE][040515] Daurah Surah Al-Kahfi "Siri 1" - Ustaz Wadi Annuar
[LIVE][040515] Daurah Surah Al-Kahfi "Siri 1" - Ustaz Wadi Annuar
DATE: 2015/05/03::
40
[LIVE][080315] "Nabi Isa, Imam Mahdi & Tentera" - Ustaz Wadi Annuar Ayub
[LIVE][080315] "Nabi Isa, Imam Mahdi & Tentera" - Ustaz Wadi Annuar Ayub
DATE: 2015/03/08::
41
Cara Nak DEFEND diri daripada Fitnah DAJJAL - Ustaz Wadi Anuar Terbaru
Cara Nak DEFEND diri daripada Fitnah DAJJAL - Ustaz Wadi Anuar Terbaru
DATE: 2014/12/06::
42
اعلان وادي الذئاب الجزء الثامن على قناة OSN - مدبلج للعربية Wadi Diab 8 ep
اعلان وادي الذئاب الجزء الثامن على قناة OSN - مدبلج للعربية Wadi Diab 8 ep
DATE: 2015/03/29::
43
MCs LEAGUE - TOP 8 LEGENDS - N°1 - WADI -  RAP BATTLE
MCs LEAGUE - TOP 8 LEGENDS - N°1 - WADI - RAP BATTLE
DATE: 2009/01/30::
44
ZINA Kat Malaysia Makin KRONIK Bang!!! Ustaz Wadi Anuar Terbaru
ZINA Kat Malaysia Makin KRONIK Bang!!! Ustaz Wadi Anuar Terbaru
DATE: 2015/05/12::
45
Maha Rahathun Wadi Maga Osse - Pansil Maluwa 23
Maha Rahathun Wadi Maga Osse - Pansil Maluwa 23
DATE: 2015/06/21::
46
wadi diab 8 ep 1 doublé    وادي الذئاب الجزء 8 الحلقة الأولى HD دبلجة سووووووووووووووورية
wadi diab 8 ep 1 doublé وادي الذئاب الجزء 8 الحلقة الأولى HD دبلجة سووووووووووووووورية
DATE: 2015/04/21::
47
Wadi diab 9 ep7
Wadi diab 9 ep7
DATE: 2014/10/09::
48
Wadi.El-Zeeab.S6.Ep70
Wadi.El-Zeeab.S6.Ep70
DATE: 2013/03/20::
49
Jumeirah Sceirah: New thrill ride at Wild Wadi
Jumeirah Sceirah: New thrill ride at Wild Wadi
DATE: 2014/02/23::
50
Ezad Lazim-Hati Mati (OST WADI TV3)
Ezad Lazim-Hati Mati (OST WADI TV3)
DATE: 2015/06/07::
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From Wikipedia, the free encyclopedia
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For other uses, see Wadi (disambiguation).
Wadis in North-East Egypt
Wadi Bani Khalid, Sharqiyah region, Oman
Wadi in Nachal Paran, the Negev, Israel.
19th-century traveller's depiction of a caravan in a wadi (Rudolf Hellgrew)

Wadi (Arabic: واديwādī) is the Arabic term traditionally referring to a valley. In some instances, it may refer to a dry (ephemeral) riverbed that contains water only during times of heavy rain or simply an intermittent stream.

Etymology[edit]

Oued Tissint, Morocco

The term wādī is very widely found in Arabic toponyms.

Some Spanish toponyms are derived from Andalusian Arabic where wādī was used to mean a permanent river, for example: Guadalcanal from wādī al-Qanal = "river of refreshment stalls", Guadalajara from wādī al-hidjārah = "river of stones",[1] or Guadalquivir from al-wādī al-kabīr = "the great river". Seasonal streams, frequent in south-east Spain, are called rambla instead.

In the Maghreb, the term wadi (wad in Maghrebi Arabic, sometimes transcribed Oued) is applied to all rivers including regular ones.

General morphology and processes[edit]

Wadis are located on the gently sloping, nearly flat positions of the deserts; commonly they begin on the distal portions of fans and extends to inland sabkhas or playas. In basin and range topography, wadis trend along basin axes at terminus of fans. Permanent channels do not exist, due to lack of continual water flow. Wadi show braided stream pattern because of deficiency of water and abundance of sediments. Water percolates down into the stream causing abrupt loss in energy and resulting vast deposition. Wadis may develop dams of sediments which results in change in stream patterns in the next flash flood.

Wind also plays its role in deposition. When wadi sediments are underwater or moist, wind sediments are deposited over them. Thus wadi sediments contain both wind and water sediments.

Sediments and sedimentary structures[edit]

Wadi sediments may contain whole range from gravel to mud. There is also wide range of sedimentary structures. Thus, wadi sediments are most diagnostic of all other desert environments.

Flash floods represents severe energy conditions and results in wide range of sedimentary structures, including ripples and commonly plane beds. Gravels common display imbrications, Mud drapes show desiccation cracks. Wind activity also generates its own sedimentary structures, large scales cross-stratification and wedge shape cross-sets are present. Typical wadi sequence consists of alternating units of wind and water sediments; each unit range about 10-30 cm. Water laid sediments show complete fining upward sequence. Gravels show imbrication. Wind deposits are cross stratified and covered with mud-cracked deposits. Some horizontal Loess may also present.

Hydrological action[edit]

Modern English usage differentiates a wadi from another canyon or wash by the action and prevalence of water. Wadis, as drainage courses, are formed by water, but are distinguished from river valleys or gullies in that surface water is intermittent or ephemeral. Wadis are generally dry year round, except after a rain. The desert environment is characterized by sudden but infrequent heavy rainfall, often resulting in flash floods. Crossing wadis at certain times of the year can be dangerous as a result.

Wadis tend to be associated with centers of human population because sub-surface water is sometimes available in them. Nomadic and pastoral desert peoples will rely on seasonal vegetation found in wadis, even in regions as dry as the Sahara, as they travel in complex transhumance routes.

The centrality of wadis to water—and human life—in desert environments gave birth to the distinct sub-field of wadi hydrology in the 1990s.[2]

Deposits[edit]

Triassic wadi deposit near Ogmore-By-Sea, Wales. Clasts are Carboniferous limestone.

Deposition in a wadi is rapid because of the sudden loss of stream velocity and seepage of water into the porous sediment. Wadi deposits are thus usually poorly sorted gravels and sands. These sediments are often reworked by eolian processes.[3]

Over time, wadi deposits may become "Inverted Wadis" where the presence at one time of underground water caused vegetation and sediment to fill in the Wadi's eroded channel to the point that previous washes appear as ridges running through desert regions.

See also[edit]

References[edit]

  1. ^ Official municipal tourist guide, p.5. Retrieved 17 August 2013.
  2. ^ Review of Wheater, Howard ; Al Weshah, Radwan, Hydrology of Wadi systems -IHP Regional Network on Wadi Hydrology in the Arab Region, UNESCO- Technical documents in hydrology vol 55, SC.2002/WS/33,(2002).
  3. ^ Mohamed Achite and Sylvain Ouillon, Suspended sediment transport in a semiarid watershed, Wadi Abd, Algeria (1973–1995) Journal of Hydrology Volume 343, Issues 3-4, 20 September 2007, pp. 187-202.

Bibliography[edit]

GELENNIE,K. W., 1970 Deserts sedimentary Environments. Developments in Sedimentology, v.14. Elsevier, Amsterdam, 222p.

External links[edit]

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