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Rashin gazawar madatsar ruwa da bala'in guguwar igiyar ruwa

Lambobin gaggawa sun bambanta da ƙasa. Wannan shafin yana amfani da 911, lambar ga Amurka da Kanada. Yawancin ƙasashe suna amfani da 112, 999, ko wata lamba. Nemo lambar don ƙasar ku.

Wani bala'i mai rugujewar madatsar ruwa, keta ruwa, ko Glacial Lake Outburst Ambaliyar ruwa (GLOF) ya saki miliyoyin zuwa daruruwan miliyoyin cubic mita na ruwa a cikin 'yan mintoci kaɗan, yana haifar da igiyar ruwa ta tsunami a cikin ƙasa kamar * igiyar ruwa ta ambaliya* wacce ta mamaye dukkan kwarin kogin har zuwa gadadden gado. Sabanin ambaliyar ruwa na yanayi na yau da kullun da ke tashi da santimita da centimita sama da sa'o'i ko kwanaki, wani dam da ya keta, gazawar wutsiya na ma'adana, ko ƙoramar dusar ƙanƙara ta buɗe bangon ruwa, laka, duwatsu, tsinke bishiyoyi, da murkushe gine-gine ** 3 zuwa mita 30 (ƙafa 10 zuwa 100) mai tsayi zuwa kilomita 10 zuwa 100 a kowace awa 20 zuwa kilomita 5. awa)**. Saboda wannan raƙuman tarkace mai ƙarfi yana da nauyin ruwa mai yawa har sau biyu kuma yana rushe daidaitattun katako da gidajen bulo a kan tasiri, mafaka a cikin gida ko hawa kan rufin zama a cikin yankin da ake fama da rikici sau da yawa yana mutuwa:

KADA KA hau kan rufin gida ko cikin soron gida yayin keta madatsar ruwa ko GLOF

A cikin ruwan sama da ake ta faman hauhawa a hankali, hukumomin ceto a wasu lokuta suna ba da shawara ga mazauna cikin tarko su matsa zuwa bene na sama (ba za su taɓa rufaffiyar soro ba ba tare da fitowar rufin ba). *A cikin wani bala'i da ya keta madatsar ruwa, dam ɗin wutsiya ya rushe, ko ambaliyar ruwan Glacial Lake, rufin gidan zama ba zai cece ku ba. Idan aka yi gargadin gazawar Dam ko kuma ka ji motsin injin jet na guguwar ambaliya da ke gabatowa, ** a bar ginin nan da nan kuma a gudu kai tsaye zuwa ga bangon tudu mafi kusa ko kwarin **.

Yi wannan yanzu

  1. Kada a kwashe da sauri daidai da tashar kogin (daidai da gangaren kwari, kada a sama ko ƙasa). Dubi ƙasa a kowane gefen kwarin kuma ** hawa madaidaiciya madaidaiciya mafi tsayin tudu, bluff, ko tudu a kusurwar digiri 90 daga tashar kogin ** har sai kun kasance aƙalla ** 15 zuwa mita 30 (ƙafa 50 zuwa 100) sama da bene na kwari (ko sama da layin da aka buga a cikin gida ** dam*).
  2. Ku tafi da ƙafa nan da nan idan hanyoyin kwarin sun kasance masu kulle-kulle, toshewar ƙasa, ko tsallaka gada. Ruwan ruwan dam ko GLOF yana tafiya a kilomita 20 zuwa 65 a sa'a guda (12 zuwa 40 mil a sa'a)** kuma ya fara lalata gadojin kogin da ke kwance. Idan zirga-zirgar ababen hawa ta daina motsi ko kuma kuna cikin 5km (mil 3) na dam, levee, ko tashar kwarin glacial, **bar abin hawan ku nan da nan kuma kuyi tagumi kai tsaye kan tsaunin da ƙafa. Minti 10 na hawan hawan gwal yana sanya ka tsayin mita 60 zuwa 100 (ƙafa 200 zuwa 330) a saman gaɓar kogin, ba za a iya isa ga kusan kowane igiyar ruwa ba.
  3. Gane alamun gargaɗin yanayi guda 4 lokacin da faɗakarwar waya ko sirens ta kasa. Dam ɗin yana rushewa kuma GLOFs na faruwa akai-akai da daddare, yayin girgizar ƙasa, ko lokacin tsananin ruwan sama wanda ya fara fitar da hasumiya ta hannu. Fita zuwa babban ƙasa nan da nan idan kun lura: ** (a) ci gaba, ƙaramar girgiza ƙasa da ƙarar ƙararrawa ** wanda ke kama da ƙaramin jirgin ƙasa mai saukar ungulu ko gungun jirgin saman jet yana saukowa cikin rafin; ** (b) digo na kwatsam, wanda bai sabawa dabi'a ba KO yawan laka a matakin ruwan kogi**; © wani ƙaƙƙarfan ƙamshi na ƙasa da aka niƙa, sulfur, da bishiyar pine/al'ul da aka karye wanda aka ɗauke da iskar sanyi kwatsam a cikin kwarin; ko (d) girgizar kasa mai tsanani ko zabtarewar duwatsu lokacin da kake zaune a kasa da dam ko tafkin dusar kankara.
  4. Kada ku taɓa tafiya ko tafiya ta cikin ruwa mai motsi ko ta hanyar gada akan kogi mai tasowa. Kawai ** santimita 15 (inci 6)** na ruwa mai sauri yana dira wa babba ƙafafu, da ** 30 zuwa 60 centimeters (ƙafa 1 zuwa 2)** na gaggauce ruwa yana yawo tare da share manyan motoci masu taya huɗu da SUV. Bugu da ƙari, kada ku taɓa ketare gada lokacin da ruwan ambaliya ke gabatowa bakin gadar ko kuma yana karkata da ƙarfi a kusa da ramukan: tarkace masu yawa suna gudana kuma manyan gada sun taso daga ƙarƙashin kwalta daƙiƙa kafin hanyar ta rushe.
  5. Idan kana zaune a bayan lebur na kasa wanda ya fara "tafasa yashi," yana ganin ruwan laka, ko ya zube, ka kwashe kafin ya karya. Yayin da tsattsauran ruwa ke zubowa a hankali ya zama ruwan dare, ** ruwa mai cike da laka, wanda ke fitowa daga tafasasshen yashi ko fashewar da ake iya gani a kan kambin levee yana nufin zaizayar cikin gida tana yaga levee ban da ciki* kuma babban bala'i mai zurfi na iya faruwa cikin mintuna. Kira lambar gaggawa ta gida (911 a Amurka da Kanada, 112 a cikin Tarayyar Turai, 999 a Burtaniya, ko duba duka lambobin gaggawa) da barin nan da nan.
  6. Ku tsaya a kan babban ƙasa bayan raƙuman ruwa na farko ya wuce: raƙuman ruwa na biyu, rushewar banki, da laka mai guba suna biyo baya. Rashin gazawar madatsar ruwa da GLOFs akai-akai suna faruwa a cikin ** haɓaka da yawa** yayin da zaizayar ƙasa ta sake faɗaɗa ƙetare ko tafkunan glacial na biyu da madatsun ruwa na zabtarewar ƙasa sun fashe. Ko da bayan matakan ruwa ya ragu, ku fita daga cikin sabon kwarin da aka zana: cikakken ganuwar canyon na rugujewa akai-akai a babban sakandare zaizayar kasa, da wutsiya nawa ko laka na ambaliyar masana'antu galibi suna aiki kamar ** sauri da *** sanye da manyan karafa, cyanide, najasa, da kuma layin watsa wutar lantarki mai ƙarfi.

Rashin gazawar madatsar ruwa, keta haddi, da bishiyar shawarar tsira ta GLOF

Yi amfani da wannan saurin yanke hukunci a lokacin da kuka karɓi agogon Dam / Gargaɗi, tabo tafasasshen yashi, ko jin rurin rafi.

flowchart TD
    Start["Faɗakarwar Rashin Damuwa, Gargaɗi na Ƙarshen Levee, <br/>Glacial Lake Outburst (GLOF) Siren, KO Rigar Canyon na Sama"] --> TimeCheck{"Nawa lokacin jagora kuke da shi kafin isowar igiyar ruwan ambaliya?"}

    TimeCheck -->|"KARSHEN GASKIYA (Na biyu zuwa <15 Mins) <br/> Makoki na Siren, Faɗakarwar Gaggawa, ko An ji Roar"| RunUpSlope["GINI NA ABANDON DA MOTOCI IDAN AKA KASHE:<br/>Gudu da ƙafa a digiri 90 KADAI zuwa tashar kogi<br/>Hawa kai tsaye saman tudu mafi kusa, bluff, ko bangon kwari<br/> Nufin >= 15 zuwa 30 a tsaye mita (50 zuwa 100 bene)"]

    RunUpSlope --> TrappedCheck{"Shin gaba ɗaya ruwa ya kewaye ku<br/>a kan tudu mai tudu da babu tudu?"}
    TrappedCheck -->|"A'a: An kai matsayi mai girma"| StayHigh["Tsaya a kan ƙasa mai tsayi don raƙuman ruwa da yawa<br/>KADA KA sauko don ceto kayan ko taɓa laka"]
    TrappedCheck -->|"Ee: Lebur ƙasa, igiyar ruwa tana isowa yanzu"| VerticalLastResort["KARSHEN KWATAWA A tsaye:<br/>Haura mafi tsayin karfe ko ginin siminti (labarun 3+)<br/>Ka guji gidajen katako, gidajen hannu, da gadoji<br/>Kawo na'urar iyo; kada ka kulle kanka a rufaffiyar soro"]

    TimeCheck -->|"GARGADI (minti 30 zuwa sa'o'i da yawa) <br/>FEMA / Sabis na Yanayi 'Dam Watch' ko Hasashen Hasashen Levee"| VehicleEvac["1. Dauki Jakar Go-, magunguna, dabbobin gida, da iyali nan da nan<br/>2. Fita da Fitar da Taswirar Dam Inundation Zone<br/> ta hanyar amfani da titin tuddai (KADA a yi tafiya ta hanyar kogi zuwa ƙasa ko kan ƙananan gadoji) <br/>3. Idan cunkoson ababen hawa a cikin kwarin, yi kiliya daga kan hanya kuma ku hau tudu da ƙafa"]

    VehicleEvac --> LeveeInspect{"Shin kun ga wani 'Tafasa Yashi' ko laka mai zazzagewa<br/>a gindin dam ko lefe na kusa?"}
    LeveeInspect -->|"Ee: Ruwan ruwa yana bubbuga"| ReportPiping["MAGANGANUN GASKIYA RASHIN CIGABA:<br/>KADA KA yi ƙoƙarin toshe ramin da kanka.<br/>Fitar da ambaliya nan da nan kuma ka kira 911 / 112 / 999 <br/> don ba da rahoton ainihin wurin GPS na tafasar yashi mai laka"]
    LeveeInspect -->|"A'a"| StayOutZone["Duba tare da dangi a wajen yankin ambaliya <br/> Kula da Rediyon Yanayi na NOAA / Watsa Labarai na Gaggawa na Ƙasa"]

Kwatanta nau'ikan nau'ikan 4 na gazawar rashin ƙarfi

Ba duk dam da gazawar shinge ba ne ke yin irin wannan hanya. Matsakaicin madatsun ruwan kankara sun kasa kusan nan take kamar tankin ruwa mai fashewa, madatsun ruwa na kasa na ci gaba da gushewa sama da mintuna 20 zuwa 90, tafkunan kankara suna fitar da tarkacen duwatsu masu cike da duwatsu, kuma madatsun ruwan wutsiyoyi na fitar da kogunan dabo mai guba.

Rukunin gazawa Yadda Katangar Ke Fasa Gudun Ƙarfafa Ƙarfafawa Yanayin Ruwan Ruwan Ruwa Alamomin Gargaɗi Na Musamman Kafin Rugujewa
1. Kankare Arch, Nauyi, ko gazawar Dam ɗin Buttress (ko Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙasa) Zamewar tsarin gini, girgizar ƙasa, gazawar dutsen abutment, ko zabtarewar tsaunuka da ke faɗowa cikin tafki tare da fantsama babbar igiyar ruwa akan madatsar ruwan. ** Nan take zuwa <minti 10** (dukkan bangon kankare ko katanga yana ba da hanya lokaci ɗaya). ** bangon ruwa na kusa-tsaye** (10 zuwa 50+ mita [30 zuwa 165+ ƙafa] tsayi a cikin ƴan ƴan ƴan gwano) yana motsawa a 40 zuwa 80 km/h (25 zuwa 50 mph). Girgizar kasa mai tsanani; sabbin fasa ko ɓangarorin siminti maras kyau akan fuskar dam; Jiragen saman ruwa masu karfin matsin lamba suna harbi daga dutsen abutment inda dam din ya hadu da bangon kwarin.
2. Earthen or Rockfill Embankment Dam & Levee Failure (Overtopping or Internal Piping) (a) Sama sama: Ruwan ambaliya yana zubo saman saman datti kuma ya sassaƙa rami mai siffar V a gangaren baya.
(b) Bututun Ruwa / Yazawar Ciki: Ramukan ruwa tare da bututun da aka binne, buro na dabba, ko shimfidar ƙasa har rufin ya ruɗe.
** Minti 15 zuwa sa'o'i 3** da zarar an fara yin sama da ƙasa ko bututun laka (yana haɓaka da sauri yayin da V-notch ke faɗaɗa). Tashi da sauri, ruwan cakulan-kasa-kasa da ɓarkewar ƙasa wanda ke kai kololuwa a cikin mintuna 15 zuwa 60 kuma yana tsayawa tsayin sa'o'i ko kwanaki yayin da tafki ke tsirowa. Yashi mai laushi yana tafasa yana bubbuga kusa da yatsan yatsa na kasa; magudanar ruwa ko tsage-tsafe na tsayin daka a saman titin dam/levee; bishiyoyi masu karkata a kan gangaren ƙasa; ruwa yana zubowa a kan ramin.
3. Ambaliyar Tafkin Glacial (GLOF) / Jökulhlaup Gilashin dusar ƙanƙara da ke narkewa cikin hanzari suna samar da manyan tafkuna a bayan tulin tulin duwatsu da kankara (** madatsun ruwa na moraine *) ko ƙarƙashin ƙanƙara mai ƙanƙara. Ƙunƙarar ƙanƙara/dutsen ƙanƙara da ke fantsama cikin tafkin, ruwan sama mai ƙarfi, ɗakuna masu zafi, ko zafin dusar ƙanƙara. ** Minti** (Dam ɗin moraine ya haye kuma ya ɓace nan take; rami kankara ya fashe). ** Matsakaicin tarkace yana gudana** (har zuwa 60% dutsen dutse, cobbles, tubalan kankara, da katako ta ƙarar girma; yawa \(1.8\rubutu{zuwa}2.2\rubu{g/cm}^3\))) yana motsawa a 20 zuwa 60 km/h (12 zuwa 37 mph) na dubun-kwanan kilomita. Tsawa mai ƙarfi ko tsawa mai tsayi a cikin duwatsu (dutse / ƙanƙarar ƙanƙara); zazzagewar laka/lalacewa a cikin kogin tsauni da aka saba; girgizar ƙasa ta hanyar na'urori masu auna sigina na kwari.
4. Dam din Tailings na Mine Tailings Rushewa (Rashin Rashin Ruwa) Gina madatsun ruwa na sama da aka gina daga ruwan sharar ma'adinai mai jika (** wutsiya *) suna shan ruwa a tsaye ko girgizar ƙasa: laka mai ƙaƙƙarfan kamanni ya juya ya zama ruwa mai nauyi a ƙarƙashin damuwa ko ruwan sama mai yawa. ** Nan take (< Minti 1)** ba tare da wuce gona da iri ba. Maɗaukakin laka mai guba mai yawa (sludge na silica tarwatsewa, baƙin ƙarfe / tagulla / sharar tama na zinariya, arsenic, mercury, gubar, ko cyanide) waɗanda ke binne kwaruruka a cikin mita na laka-kamar laka mai tsauri ko tsayawa da sauri. Rigar jika ("kuka"), kumburi, ko tsagewar gashin gashi a kan gangaren wutsiyar wutsiya; ruwa mai turbid a cikin magudanar ruwa; ƙararrawa na inclinometer / radar mai sarrafa kansa.

Fahimtar dam na hukuma da matakan faɗakarwar gaggawa

A cikin Amurka (Sabis ɗin Yanayi na ƙasa / FEMA / Rundunar Sojojin Amurka na Injiniya), Kanada, Burtaniya (Hukumar Muhalli), Tarayyar Turai, da cibiyoyin sa ido na Himalayan/Andean GLOF, hukumomi suna amfani da daidaitattun matakan haɓaka. Sanin bambanci tsakanin Watch da Gargadin Gaggawa yana gaya muku ko kuna da sa'o'i ko daƙiƙa:

  1. ** Kallon Dam / Levee (Shawara ko Sharadi na B: Haɓaka Rashin Ganewa)**:
  2. Abinda ake nufi: Ruwan ambaliya a bayan dam ko lefe yana gabatowa da haɗari mai haɗari, magudanar ruwa na taimako suna zubar da ƙima, ko injiniyoyi sun gano wani lahani na tsari (kamar tsutsawa ko ƙaramar raguwa) wanda ** zai iya haifar da gazawa idan yanayi ya tsananta.
  3. Abin da ya kamata ku yi YANZU: Shirya Jakar Go-Bag ɗinku ta gaggawa, ɗora ƴan uwa iyakan motsi, jarirai, da dabbobi a cikin abin hawan ku, motsa dabbobi zuwa kiwo mai yawa, da ** ƙaura da yankin da ake fama da ambaliyar ruwa da wuri yayin da hanyoyi da gadoji ke bushewa gaba ɗaya**.
  4. ** Gargaɗi na Ambaliyar Ruwa don gazawar Dam / Levee Breach (Sharadi A: gazawar gaba ko aiki)**:
  5. ** Abin da ake nufi ***: Dam ko levee ** yana kasawa sosai a yanzu ko kuma an ba da tabbacin karya cikin mintuna. Faɗakarwar Gaggawa mara waya (WEA) akan wayoyin hannu za su yi ƙarar ƙararrawa mai ƙararrawa tare da taken " GARGAƊIN FLASH FLOOD: DAM FAILURE" ko "MAGANIN GAGGAWA: KASHI ZUWA GIRMA."
  6. Abin da ya kamata ku yi YANZU: ** zubar da komai kuma ku matsa zuwa babban tudu nan da nan.** Kada ku tattara kaya; ka kama mutanen da ke kusa da kai kawai ka hau daga cikin kwari.
  7. ** Gargaɗi Mai Girma Mai Girma (Ba a Karɓar Ruwan Ruwa)**:
  8. Abinda ake nufi: Don kiyaye dam din kasa daga sama ya ruguje gaba daya a lokacin damina mai cike da tarihi (kamar guguwa ko kogin yanayi), ana tilastawa masu gudanar da madatsar ruwa bude kofofin ruwa na gaggawa ko magudanar ruwa don sakin dumbin ruwa a cikin tashar kogin.
  9. Abin da ya kamata ku yi YANZU: A kwashe duk wasu gidajen da ke gefen kogi, wuraren sansani, da filayen ambaliya nan da nan, saboda matakan kogin na iya tashi ** 3 zuwa mita 10 (ƙafa 10 zuwa 33)** a cikin sa'a ɗaya duk da cewa dam ɗin bai karye ba.

Lokacin isowar Ambaliyar Ruwa, Sauri, da Ƙarfin Tasiri ta Nisa Daga ƙasa

Fahimtar yadda igiyar dam ko GLOF ke canzawa yayin da take tafiya a cikin rafi yana taimaka muku kimanta minti nawa zaku hau zuwa lafiya:

Distance Downstream daga Dam / Glacial Lake Yawancin Lokacin Jagorancin Zuwan Wave Hannun Wave Front Height (Ƙananan Canyon vs. Wide Valley) Gudun Gudun Kololuwa Ƙarfin Rusa Tsarin Tsarin
** 0 zuwa kilomita 5 (mil 0 zuwa 3)** (Yankin Gorge / Tailrace Nan take) ** Minti 1 zuwa 8** (Kusan lokacin faɗakarwar fasahar sifili) ** 10 zuwa 30+ mita (33 zuwa 100+ ƙafa)** a cikin canyons; ** 4 zuwa mita 10 (ƙafa 13 zuwa 33)** akan filaye. 35 zuwa 65+ km/h (22 zuwa 40+ mph)** Jimlar gogewa: Ya zazzage ƙasa zuwa ga wani bene mara tushe; yana kawar da ingantattun gadoji na kankare, tashoshin wutar lantarki, da kowane gini a tashar.
** 5 zuwa kilomita 20 (mil 3 zuwa 12)** (Masu kai tsaye) Minti 10 zuwa 35 *** 5 zuwa mita 15 (ƙafa 16 zuwa 50) a cikin kwazazzabai; ** 2 zuwa mita 6 (ƙafa 6.5 zuwa 20)** akan filayen ambaliya. 20 zuwa 40 km/h (12 zuwa 25 mph)** Masifa: Yana ɗaukar dubunnan bishiyu, duwatsu, da ababen hawa a matsayin ramuwar gayya; ya ruguza gidajen katako da bulo da haye gadojin babbar hanya.
20 zuwa 50+ kilomita (mil 12 zuwa 31+) (Ƙasashen Ambaliyar Ruwa & Mai Faɗawa) * Minti 40 zuwa awanni 3+** ** 1.5 zuwa mita 4 (ƙafa 5 zuwa 13)** yana yaɗa nisan kilomita a fadin ƙasa mai faɗi. 8 zuwa 20 km/h (5 zuwa 12 mph)** Magudanar ruwa mai tsanani: Ambaliyar ruwa na farko da na biyu na gine-gine, ya binne garuruwa a cikin laka mai tsawon mita 1 zuwa 3, sannan ya katse duk wata hanyar da take bi na tsawon kwanaki.

Yadda za a gano dam ko levee na ƙasa da ke kasa: Dokar "Clear vs. Muddy Seepage"

Miliyoyin mutane suna rayuwa kai tsaye a bayan magudanar ruwa na ƙasa, shingen magudanar ruwa, madatsun ruwa na gonaki, ko madatsun ruwa na ruwa. Idan kuna duba dam ɗin levee ko ƙasa a lokacin babban ruwa, injiniyoyin farar hula suna amfani da gwajin gani guda ɗaya mai sauƙi don bambance magudanar ruwa mara lahani daga ɓarna mai zuwa:

  • Tsaftar Ruwa Yana Hannu A Hannu = Kallon a hankali, Karancin Hatsarin Karɓawa Nan da nan: Lokacin da ruwa ya tsaya tsayin daka a kan lefen ƙasa na kwanaki, ƙasa takan zama cikakke kuma ruwa mai tsafta yakan yi gumi ko kuma ya zubo a hankali kusa da ƙafar ƙafar ƙafa. Idan ruwan ya kasance ** crystal fili** kuma yawan kwararar ruwa ya tsaya tsayin daka, kwarangwal ɗin ƙasan da ke cikin levee ɗin yana riƙe da ƙarfi ( injiniyoyi sukan yi sautin tsinke tare da abin wuyan doki na jakunkuna kawai don ɗaga kan matsi na baya).
  • ** Ruwan Laka, Datti, Ruwan Ruwan Ruwa ko Bubbling = KASHIN GASKIYA (Piping Mai Aiki): Idan ruwan da ke bubbugawa daga ƙasa ko kuma yana gudana daga gangaren bayan dam ɗin ya kasance ** girgije, launin ruwan kasa, laka, ko tara mazugi na yashi da tsakuwa kamar ƙaramin tsakuwa mai tafasasshen ruwa " * core fita daga cikin dam *. Boye a ƙarƙashin ƙafãfunku, rami na ƙarƙashin ƙasa ( bututu ***) yana cin hanyarsa ta baya zuwa tafki. Da zarar wannan ramin ya ratsa ta gefen kogin, matsa lamba ruwan tafki yana kara girman ramin cikin dakika, ya ruguje saman lefe din kuma yana fitar da wani tsagi mai zurfi. Kada ku taɓa tafiya a kan lemun tsami ko tafasa, kada ku yi ƙoƙarin toshe tafasasshen laka ta hanyar jefa datti a cikin rami, kuma ku kira 911/112/999 yayin ƙaura.

Tarkon Zabtarewar Kasa-Dam a cikin Dutsen Canyons

Bayan manyan girgizar kasa, Wutar daji, ko ruwan sama kamar da bakin kwarya a cikin tsaunuka, miliyoyin ton na dutse da laka sukan zamewa daga bangon rafi kuma su toshe kogin dutse gaba daya, suna haifar da rashin kwanciyar hankali na wucin gadi ** dam zaizayar kasa**. Idan kuna zaune a ƙasa tare da kogin dutse kuma ku lura cewa ** ruwan kogin yana fadowa ba zato ba tsammani a lokacin hadari ko bayan guguwa ** , ** KAR ku shiga cikin kogin kuma KAR ku zauna a cikin gidan ku na kwari ** . Ruwan kogin da ya ɓace yana dawowa zuwa wani babban tafki a bayan toshewar ƙasa; cikin sa'o'i ko kwanaki, tafkin zai haye tulin dattin da ba a kwance ba, a yanka shi cikin mintuna, sannan ya aika da wata katangar ruwa mai muni da duwatsu da duwatsu da ke ruri a busasshiyar kogin. Ku tashi zuwa babban ƙasa kuma ku kira ma'aikatan gaggawa nan da nan don ba da rahoton faɗuwar kwararar kogin kwatsam.

Ilimin kimiyyar rayuwa lokacin da aka kama shi a fili ko cikin abin hawa

Idan an kama ku a cikin kwari lokacin da dam ko igiyar ruwa ta GLOF ta zo kuma ba za ku iya isa bangon kwari na sama cikin lokaci ba:

  1. Koyaushe zabi wani tudu mai tudu sama da kowane tsari da mutum ya yi: Ko da dutsen dutse mai tsawon mita 10 (kafa 33) ko datti da aka makale a cikin kasa ba za a iya rushe shi da igiyar ruwa ba, yayin da ginin bulo mai hawa 3 da ke zaune a tsakiyar filin kwarin zai iya rushe harsashinsa ya ruguje.
  2. Idan babu wani tudu (leburtaccen filin ambaliya), zaɓi ginin ƙaura na tsaye daidai:
  3. **Washewa ***: Gidajen bene guda ɗaya, gidajen katako, gidajen hannu / ayari, gine-ginen bulo da ba a ƙarfafa su ba, wuraren ajiyar ƙarfe, da ababen hawa.
  4. ** Hawan hawa**: Labari mai dumbin yawa (*** 3+ labaru**) ƙarfafa zubo-kwankwal ko ginin ƙarfe (kamar asibiti, ginin jami'a, garejin siminti mai hawa biyu, ko otal na zamani). Matsar zuwa ** bene na 3 ko mafi girma ** kuma ku tsaya a ** gefen ƙasa ** na ginin ciki nesa da tagogin da ke fuskantar tasirin igiyar ruwa mai zuwa.
  5. Kada ka taba yin tarko a cikin rufaffiyar soro ba tare da gatari ko ƙyanƙyasar rufin ba: Idan ruwan da ke tashi ya tilasta ka hawa matakalar gini, kada ka taɓa hawa cikin wani ɗaki da ke kewaye sai dai idan akwai tagar fita, ƙyanƙyasar rufin, ko kuma kana ɗauke da gatari/ guduma mai nauyi mai iya fashe ta cikin kus ɗin rufin katako da shingles. Daruruwan wadanda ambaliyar ruwa ta shafa sun nutse a makale a karkashin kololuwar rufin nasu.
  6. Idan aka share cikin ruwa: Kada Kada kayi kokarin yin iyo a kan halin yanzu ko kuma tashi a cikin ruwa mai sauri (saka ƙafafu a cikin ruwan ambaliya mai ƙarfi yana kama ƙafar ka a tsakanin cobbles yayin da na yanzu yana matsar da gangar jikinka gaba, yana ninke ka ƙarƙashin ruwa: ** kama ƙafar ƙafa**). Mirgine kan ** baya tare da ƙafafunku suna nuni zuwa ƙasa ** kuma ku riƙe tsayi a saman don kare duwatsu da katako masu iyo, kusurwar jikin ku a kusurwar jirgin ruwa mai digiri 45 ** zuwa ga bakin teku mafi kusa ko gefen tudu, kuma ku haura bankin nan take kuka buga ruwa a hankali a kan lanƙwasa na cikin kwarin.

Shirye-shiryen riga-kafi: Yadda ake karanta Taswirar Inundation Dam na gida da taswirar Hazard na GLOF

Idan kuna zaune, aiki, ko sansani a cikin kwarin kogi, polder na bakin teku, ko canyon mai tsayi, ɗauki mintuna 10 kafin gaggawa don bincika fallasa ku:

  1. Duba Taswirar Inventory Dam na Kasa da Taswirorin Ciki:
  2. Amurka: Bincika Rundunar Injiniyoyi na Sojojin Amurka National Inventory of Dams (NID) (nid.sec.usace.army.mil) ko tashar tsaro na dam ɗin jihar ku (kamar California DWR Dam Breach Inundation Maps) don duba ainihin titin-da-Titin ** Rage Rana ta Rana** da ** Ragewar Ruwan Ruwa ** inundation polygons da lokutan isowar igiyar ruwa (misali, "15-minti 15-mintuna isowa kwandon shara" vs. "2-hour isowar kwandon shara" vs. *" 2-hour isowa.
  3. ** Ƙasar Ingila & Turai *: Duba Hukumar Kula da Muhalli ta Burtaniya ** Taswirorin Ambaliyar Ruwan Tafki (check-for-flooding.service.gov.uk) ko tashoshin ruwa na kare lafiyar jama'a na ƙasa.
  4. ** Yankunan Alpine & Mountain (Himalaya, Andes, Alps, Rockies, Alaska, Iceland, New Zealand)**: Bincika binciken binciken yanki na yanki Glacial Lake Inventory da GLOF Hazard Maps kafin tafiya ko yin zango a cikin kwarin kogin glacial; Kada ku taɓa kafa tanti akan ƙaramin dutsen tsakuwa ko filin kogi a cikin kwarin glacial, ko da a lokacin rani na dare.
  5. **Gano Hanyoyi Guda Biyu na Ƙauran Ƙafa: Fitar da ƙofar gaban ku kuma gano hanya mafi sauri a ƙafa (ta hanyar matakan tafiya, titin tudu, ko babban titin giciye) wanda ke hawa ** kai tsaye nesa da kogi Koyi tafiya tare da dangin ku don kowa ya same shi cikin duhu gaba ɗaya yayin duhu.

Tambayoyin da ake yawan yi

How fast does a dam-break flood wave or Glacial Lake Outburst Flood (GLOF) travel, and can I outrun it in a car down the valley highway?

In a steep mountain canyon or narrow river valley below a dam or glacial lake, the flood wave travels at 30 to 65 kilometers per hour (20 to 40 miles per hour), and on flatter floodplains it still advances at 10 to 25 kilometers per hour (6 to 15 miles per hour). Trying to outrun the wave by driving downstream along a winding valley road that follows the river is often a fatal mistake: a single traffic jam, washed-out bridge, or rockslide traps you directly in the path of the wall of water; instead, you should always travel perpendicular (at a 90-degree angle) away from the river straight up the nearest valley hillside, on foot if necessary.

Why does a Glacial Lake Outburst Flood (GLOF) happen even on a clear, sunny summer day with zero rain?

As mountain glaciers shrink and retreat due to warming temperatures, meltwater collects in massive deep lakes trapped behind unstable piles of loose gravel, boulders, and buried ice cores called terminal moraines. On a warm, sunny afternoon, a huge slab of overhanging glacier ice or sun-warmed cliff rock high above the lake can suddenly calve off and plummet into the water; this impact generates a giant displacement wave inside the lake that splashes over the loose moraine dam, slices it open within minutes, and unleashes millions of tons of water and boulders down the valley under blue skies.

What is a "sand boil" behind a levee, and why is it so dangerous?

A sand boil occurs when high-pressure river water finds a weak seam or sandy layer underneath an earthen levee and tunnels through to burst upward on the dry landward side, creating a bubbling fountain surrounded by a ring of deposited sand that looks like a miniature volcano. If the water trickling out is clear, the levee core is still intact; however, if the sand boil is gushing muddy, brown, silt-filled water, the underground flow is actively washing out the structural dirt foundation of the levee (internal piping erosion), meaning the entire levee wall above it can collapse into a catastrophic breach within minutes.

Why is a mine tailings dam collapse even more deadly than a regular water reservoir dam failure?

A mine tailings dam does not hold plain water; it holds millions of tons of wet, pulverized rock flour, heavy metals, and chemical processing sludge left over from mining iron, copper, gold, coal, or phosphate. When a tailings dam suffers liquefaction failure, the resulting flood wave has the density of wet cement (roughly twice as heavy as water), demolishes reinforced concrete bridges and buildings effortlessly, and then solidifies or remains as deep, inescapable quicksand across the entire valley floor, making swimming impossible and burying survivors alive.

What does it mean if a mountain river suddenly dries up or drops to a trickle during or right after a heavy rainstorm or earthquake?

If a normally rushing mountain river suddenly drops to a trickle during a storm or after an earthquake, it is a classic warning sign that a massive landslide, rockfall, or avalanche has crashed into the canyon upstream and temporarily plugged the river channel (creating a natural landslide dam). Behind that unstable pile of dirt and rock, the river is rapidly filling a deep temporary lake; once the water overtops the blockage (often within hours), the entire dirt dam gives way at once, sending a devastating wall of water and boulders down the dry riverbed. Evacuate to high ground immediately and alert emergency authorities.

Why shouldn't I walk out onto the dried mud flats after a dam-break or tailings flood wave passes to look for my belongings?

Freshly deposited flood silt, glacial rock flour, and mine tailings behave as thixotropic non-Newtonian fluids (quicksand): a thin crust dries on top in the sun and looks solid enough to walk on, but underneath lies 1 to 5 meters (3 to 16 feet) of water-saturated liquefiable mud. The moment a person steps onto the crust, the vibration liquefies the mud underneath and sinks them waist- or chest-deep in seconds, where suction force makes it impossible to pull your legs out without specialized rescue boards and fire department winches.

An duba tushe

  • Hukumar Ba da Agajin Gaggawa ta Tarayya (FEMA, Amurka) da Rundunar Injiniyoyi na Sojojin Amurka (USACE): Sharuɗɗa na Tarayya don Tsaron Dam ɗin: Shirye-shiryen Ayyukan Gaggawa ga Masu Dam (FEMA P-64), * Inventory na Dams (NID), da * Levee Seepage da Manual Boil Field Manual.
  • ** Binciken Kasa na Amurka (USGS) da Hukumar Kula da Ruwa da Ruwa ta Kasa (NOAA / NWS, Amurka):** Tsarin tarkace, Fashewar Dam, da Fashewar Ambaliyar Ruwan Ruwa da Ruwan Ruwa da Ka'idojin Gargadi.
  • Cibiyar Kasa da Kasa don Haɓaka Tsaunuka (ICIMOD), Ofishin Majalisar Dinkin Duniya don Rage Hatsarin Bala'i (UNDRR), da Hukumar Kula da Yanayi ta Duniya (WMO): * Tsarin Gargaɗi na Farko da Ka'idodin Kaucewa don Fashewar Tafkin Glacial (GLOFs)* a cikin Hindu Kush Himalaya, Andes, da Alps na Turai.
  • Hukumar Kula da Manyan Dams (ICOLD) da Hukumar Kula da Muhalli ta Majalisar Dinkin Duniya (UNEP): Ka'idojin Masana'antu na Duniya kan Gudanar da Wulakanta (GISTM) da kuma darussan korar gaggawa daga bala'in wulakanci da aka samu.
  • Hukumar Muhalli (United Kingdom): Taswirorin Ambaliyar Ruwan Tafkin Ruwa da Jagorar Shirye-shiryen Gaggawa na Al'umma don Shigo da Ruwan Damuwa.

Jagora masu alaƙa