Ab'aro
| Ab'aro | |
|---|---|
 | |
| General information | |
| Labarin ƙasa | |
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| Tsarin Daidaiton Labarin Kasa | 13°47′N 39°08′E / 13.79°N 39.14°E |
| Kasa | Habasha |
Ab'aro kogi ne na kogin Nilu . Tana tashi a tsaunukan Dogu'a Tembien a arewacin Habasha, tana kwarara zuwa arewa maso yamma don ta kwarara cikin Weri'i, wanda ke ƙarƙashin kogin Tekezé .
Yanayinsa
[gyara sashe | gyara masomin]Kogin Ab'aro wani kogi ne mai ɗan gajeren lokaci a samansa, yayin da yake yawo a ƙananan filayen, tare da matsakaicin gangara na mita 60 a kowace kilomita. Zuwa ga gangaren ƙafa kogin ya yanke wani babban kwarin (wani yanki ).
Ambaliyar ruwa mai ƙarfi
[gyara sashe | gyara masomin]Ruwan sama galibi yana faruwa ne ta hanyar kwararar ruwa mai yawa wanda ke faruwa a cikin ɗan gajeren lokaci (wanda ake kira ambaliyar ruwa). Waɗannan suna da alaƙa da yanayin ƙasa mai tsayi, galibi ƙarancin rufin ciyayi da ruwan sama mai ƙarfi. Kololuwar irin waɗannan ambaliyar ruwa sau da yawa suna da kwararar ruwa sau 50 zuwa 100 fiye da kwararar ruwa ta baya. Sabanin kogunan da ke makwabtaka da su kamar May Meqa, May Shoate ko Giraliwdo, girman ambaliyar ruwa a Ab'aro bai ragu ba saboda tsoma baki a cikin magudanar ruwa. Tsarin kiyayewa na zahiri kamar tarin duwatsu [1] [2] da madatsun ruwa masu duba waɗanda ke katse [3] ba ya nan. A kan gangaren tsaunuka, ba a kafa wuraren rufewa ba kuma babu wani ciyayi mai yawa da zai iya taimakawa wajen haɓaka kutsewa, ƙarancin ambaliya ko ingantaccen kwararar ruwa ta tushe . [4] [5], yana ɗaya daga cikin ƙananan magudanan ruwa da za su iya zama abin koyi ga yanayi kafin fara manyan ayyukan kiyayewa na ɗan adam a yankin Tigray .
Lithology
[gyara sashe | gyara masomin]Daga sama zuwa ƙasa, waɗannan raka'o'in lithological suna faruwa a cikin magudanar ruwa.
- Matosai na Phonolite
- Babban basalt
- Adanar lacustrine mai alaƙa
- Ƙananan basalt
- Tsarin Amba Aradam
- Antalo Limestone
- Tufa mai ruwan sha na Quaternary [6]
- Sandstone na Adigrat
A ma'ana, a saman kogin, duwatsu da duwatsun ƙananan rassan lithologies ne kawai za su kasance a cikin gadon kogin, yayin da a ƙasa za a iya samun cakuda mafi cikakken bayani na dukkan lithologies da kogin ya haye.
Iyakar yanayi
[gyara sashe | gyara masomin]A lokacin tafiyarsa, wannan kogin yana ratsawa ta cikin yankuna biyu kuma yana da iyaka ta tsawon kilomita 2. A sassa daban-daban:
- Dogu'a Tembien zuwa kudu maso gabas
- Kola Tembien zuwa arewa maso yamma
Canza ɗan adam zuwa ga Ab'aro
[gyara sashe | gyara masomin]An gano cewa ƙasan kwarin da ke tsakiyar Ab'aro a matsayin yankin da ake zuwa don canza ɗan adam. Canjin ɗan adam yana faruwa ne a lokacin damina na bazara, lokacin da filayen da ke kusa da ƙauyuka ke cike da amfanin gona. Matasan makiyaya za su kai shanun ƙauyen zuwa kwarin kuma su kwana a cikin ƙananan kogo. Kwazazzabai suna da kyau musamman a matsayin yankin da ake zuwa don canza ɗan adam, saboda akwai ruwa da kyakkyawan girma na shuke-shuke marasa yanayi. [7]
Tafiya a gefen kogin
[gyara sashe | gyara masomin]
Hanyoyin tafiya suna ratsawa ta wannan kogin. Ba a yi wa hanyoyin alama a ƙasa ba amma ana iya bin su ta amfani da fayilolin .GPX da aka sauke. [8] Trek Gh2 yana bin kogin sosai, wani ɓangare yana mamaye hanyar wata tsohuwar hanya tun lokacin mamayar Italiya. A lokacin damina, ambaliyar ruwa na iya faruwa kuma ana ba da shawarar kada a bi ta gefen kogin.
manazarta
[gyara sashe | gyara masomin]- ↑ Nyssen, Jan; Poesen, Jean; Gebremichael, Desta; Vancampenhout, Karen; d'Aes, Margo; Yihdego, Gebremedhin; Govers, Gerard; Leirs, Herwig; Moeyersons, Jan; Naudts, Jozef; Haregeweyn, Nigussie; Haile, Mitiku; Deckers, Jozef (2007). "Interdisciplinary on-site evaluation of stone bunds to control soil erosion on cropland in Northern Ethiopia". Soil and Tillage Research. 94 (1): 151–163. doi:10.1016/j.still.2006.07.011.
|hdl-access=requires|hdl=(help) - ↑ Gebeyehu Taye and colleagues (2015). "Evolution of the effectiveness of stone bunds and trenches in reducing runoff and soil loss in the semi-arid Ethiopian highlands". Zeitschrift für Geomorphologie. 59 (4): 477–493. Bibcode:2015ZGm....59..477T. doi:10.1127/zfg/2015/0166.
- ↑ Nyssen, J.; Veyret-Picot, M.; Poesen, J.; Moeyersons, J.; Haile, Mitiku; Deckers, J.; Govers, G. (2004). "The effectiveness of loose rock check dams for gully control in Tigray, Northern Ethiopia". Soil Use and Management. 20: 55–64. doi:10.1111/j.1475-2743.2004.tb00337.x.
- ↑ Descheemaeker, K. and colleagues (2006). "Runoff on slopes with restoring vegetation: A case study from the Tigray highlands, Ethiopia". Journal of Hydrology. 331 (1–2): 219–241. doi:10.1016/j.still.2006.07.011.
|hdl-access=requires|hdl=(help) - ↑ Etefa Guyassa and colleagues (2017). "Effects of check dams on runoff characteristics along gully reaches, the case of Northern Ethiopia". Journal of Hydrology. 545 (1): 299–309. Bibcode:2017JHyd..545..299G. doi:10.1016/j.jhydrol.2016.12.019.
|hdl-access=requires|hdl=(help) - ↑ Moeyersons, J. and colleagues (2006). "Age and backfill/overfill stratigraphy of two tufa dams, Tigray Highlands, Ethiopia: Evidence for Late Pleistocene and Holocene wet conditions". Palaeogeography, Palaeoclimatology, Palaeoecology. 230 (1–2): 162–178. Bibcode:2006PPP...230..165M. doi:10.1016/j.palaeo.2005.07.013.
- ↑ Nyssen, Jan; Descheemaeker, Katrien; Zenebe, Amanuel; Poesen, Jean; Deckers, Jozef; Haile, Mitiku (2009). "Transhumance in the Tigray highlands (Ethiopia)". Mountain Research and Development. 29 (3): 255–264. doi:10.1659/mrd.00033.
|hdl-access=requires|hdl=(help) - ↑ "Public GPS Traces tagged with nyssen-jacob-frankl".