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Na-agbanahụ aja ngwa ngwa, apịtị apịtị, na ọnyà ahịhịa

Nọmba mberede dị iche na mba. Ibe a na-eji 911, nọmba maka United States na Canada. Ọtụtụ mba ndị ọzọ na-eji 112, 999, ma ọ bụ nọmba ọzọ. Chọta nọmba maka obodo gị.

Ịbanye n'ime mmiri siri ike nke aghụghọ, apịtị dị n'ụsọ oké osimiri, silt glacial ("ntụ ọka glacial"), ma ọ bụ sphagnum peat bog na imikpu ozugbo n'apata gị ma ọ bụ n'úkwù gị bụ ihe mberede ọzara na-atụ egwu. N'adịghị ka ihe nkiri Hollywood, ezigbo aja na apịtị miri emi agaghị eme ka mmadụ rie ya kpamkpam n'ihi na ahụ mmadụ dị ihe dị ka ọkara ka ájá na ụrọ jupụtara na mmiri.

Otú ọ dị, ezi ihe ize ndụ na-eyi ndụ egwu nke ájá ájá na ọnyà apịtị apịtị bụ ** mmiri na-eri n'oké osimiri na-abata **, ** ngwa ngwa hypothermia sitere na mmiri mmiri oyi, ** ike ọgwụgwụ **, na ** mmerụ ahụ na-egbu egbu ma ọ bụ mgbakasị nkwonkwo nke kpatara mgbe ndị nnapụta nke ọma ma ọ bụ na-agba mbọ ka ha jide ha n'aka. elu megide puku kwuru puku newtons nke agụụ agụụ. Ịmara physics nke na-abụghị Newtonian liquefaction, otú e si "liquefy na backstroke" ụkwụ gị free millimeter site millimeter, na otú ị ga-esi napụta enyi na-eji arọ-ekesa mbadamba na-abanyeghị na apịtị onwe gị na-azọpụta ndụ.

Mee nke a ugbu a

  1. **Free ozugbo wee dobe akpa gị dị arọ n'elu n'akụkụ gị ***: Kwụsị ịta ahụhụ ma ọ bụ gbalịa ịga n'ihu. Ịgba ọsọ ọsọ na-agba ọsọ na-akpacha ụrọ mmiri mmiri ma ọ bụ ájá ájá ma mee ka ị mikpuo miri emi, ebe ị na-awụfu akpa azụ nke dị kilogram 15 (paụnd 33) na-abawanye ngwa ngwa ngwa ngwa ma nye gị ikpo okwu na-ese n'elu mmiri iji dabere n'obi gị ma ọ bụ ikpere gị.
  2. ** Kpọọ Coast Guard ma ọ bụ Ọkụ-napụta ozugbo ma ọ bụrụ na ọ bụrụ na ị nọ n'ụrọ mmiri ma ọ bụ estuary ***: Tupu itinye nkeji 30 na-agbalị igwu onwe gị n'ọdụ ụgbọ mmiri dị n'ụsọ oké osimiri, pịa ** 911 ** (na United States na Canada), ** 112 ** (gafere European Union), ma ọ bụ 999 ma rịọ maka United Kingdom ma ọ bụ lelee United Kingdom. nọmba mberede ndekọ. Oke mmiri na-abata n'ofe mmiri dị larịị na-aga ngwa ngwa karịa ka mmadụ nwere ike ịgba ọsọ, ndị otu ndị nnapụta Mud pụrụ iche chọrọ oge ndu kacha elu iji malite ụgbọ mmiri ma ọ bụ sleds apịtị na-efe efe.
  3. ** Gbasaa ịdị arọ gị n'ụzọ kwụ ọtọ site n'ịdabere azụ ma ọ bụ n'ime afọ gị ***: Anọla na-eguzoro ọtọ dị ka mgbidi ngere. Ji nwayọọ nwayọọ daa azụ azụ (n'ime ebe a na-ese n'elu azụ) ma ọ bụ na-aga n'ihu n'ime akpa azụ gị iji gbasaa arọ ahụ gị n'ofe akụkụ elu nke apịtị ma ọ bụ ngwa ngwa.
  4. ** Ekwela ka onye ọ bụla dọba gị elu kwụ ọtọ site na ogwe aka gị ma ọ bụ jiri winch ụgbọ ala : Ịdọta onye tọrọ n'úkwù n'ime apịtị agụụ gbagote na-achọ ike dị mkpa iji bulie obere ụgbọala ma nwee ike ịgbapụ ubu, gbajie ọkpụkpụ azụ, ma ọ bụ kpalite ọrịa ** crush/reperfusion syndrome*.
  5. ** Jiri nwayọọ nwayọọ na-emegharị ụkwụ ọ bụla iji mee ka mmiri gbadaa gburugburu ntan gị ***: Iji mebie akara ikuku hydrostatic na akpụkpọ ụkwụ gị na nwa ehi gị, jiri nwayọọ nwayọọ gbanwee otu ikpere na nkwonkwo ụkwụ na obere 2-centimeter (1-inch) okirikiri iji dọta ihe nkiri mmiri dị mkpa n'akụkụ ụkwụ gị wee tụgharịa ájá / ụrọ ahụ laghachi azụ n'ime mmiri mmiri.
  6. ** Wepụ ụkwụ gị n'ụkwụ gị ma ọ bụrụ na akpụkpọ ụkwụ na-agbanye na ụrọ, na afọ na-akpụ akpụ ka ọ kwụsie ike **: Ọ bụrụ na ụrọ estuarine na-ejikọta ọnụ na-ejide akpụkpọ ụkwụ gị dị ka ihe, kpughee ma ọ bụ wepụ ụkwụ gị na akpụkpọ ụkwụ gị, were ikpere gị jiri nwayọọ nwayọọ gbagoo n'elu mgbe ị dinara ala n'azụ gị, na ** mpịakọta ma ọ bụ afọ-akpụ akpụ ** (ghara ibili elu na-aga ije.)

Danger

Ọ bụrụ n’ịhụ mmadụ ma ọ bụ nkịta tọrọ atọ n’ala apịtị dị n’ụsọ oké osimiri, akwa mmiri mmiri gbapụrụ agbapụ, ma ọ bụ ájá mmiri mmiri, ** agakwala n’elu apịtị ahụ na-enweghị bọọdụ apịtị ma ọ bụ eriri iji dọpụta ha ***. Ihe karịrị ọkara nke apịtị dị iche iche na-egbu egbu na ọdachi na-eme mgbe enyi ma ọ bụ nne ma ọ bụ nna ga-aga ijide onye ahụ tọrọ atọ, gbajie eriri dị n'akụkụ ha, ma ghọọ ndị ọnyà na-enweghị ike iru ala siri ike. Nọọrọ n'ụlọ akụ siri ike, buru ụzọ kpọọ ndị ọrụ mberede wee tụba eriri ma ọ bụ kwapụ nnukwu plank, bọọdụ sọfụ, ma ọ bụ akwa ikuku nye onye ihe ahụ metụtara ka ha nwee ike gbasaa ibu ha.

Ngwa ngwa aja, apịtị tidal, na akpụ akpụ na-arụ ọrụ nnapụta

Soro eserese mkpebi nzọụkwụ a iji tọhapụ onwe gị ma ọ bụ nyere onye tọrọ atọ aka n'enweghị nsogbu dabere na gburugburu ebe obibi na omimi nke ọnyà.

flowchart TD
    A["Mmikpu na mberede na Quicksand, Mudflat, ma ọ bụ Bog"] --> B["Kwụsị ịta ahụhụ ozugbo wee tụba akpa azụ dị arọ n'elu"]
    B --> C{"Ị nọ n'ọdụ ụgbọ mmiri ma ọ bụ enweghị ike ịtọhapụ ụkwụ n'ime nkeji 2?"}
    C -->|"Ee: ihe egwu tidal ma ọ bụ ọnyà miri emi"| D["Kpọọ 911/112/999 (Coast Guard / Mud Rescue) ozugbo na ntụtụ GPS."]
    C -->|"Mba: ikpere na-emighị emi ruo n'apata silt na-abụghị tidal"| E["Dabere azụ azụ 45 ruo 90 iji kesaa ịdị arọ ahụ"]
    D --> E
    E --> F["Jiri nwayọ tụgharịa otu ụkwụ n'obere okirikiri ka mmiri rute ma mebie oghere"]
    F --> G{"Akpụkpọ ụkwụ gị ọ rapaara na ụrọ jikọtara ọnụ?"}
    G -->|"Ee"| H["Wepụ ụkwụ na akpụkpọ ụkwụ wee chụọ akpụkpọ ụkwụ ahụ"]
    G -->|"Mba"| I["Welie ikpere nwere onwe ya ka ọ pụta ìhè na 1 cm kwa nkeji ka ị na-adabere azụ"]
    H --> I
    I --> J["Dina n'ụkwụ abụọ ahụ gbadaa n'elu wee tụgharịa ma ọ bụ gwuo mmiri ruo n'ala siri ike: Ebilila"]

Fisiks nke ọnyà: gịnị kpatara na ị nweghị ike imikpu n'isi gị (na ihe kpatara na ị nweghị ike ịdọrọ elu)

Ịghọta usoro nhazi mmiri nke ala granular na-ewepụ ụjọ nke imi mmiri ma kpughee ihe nzuzo dị n'ibu nke ịpụ.

1. Ụkpụrụ Archimedes: ihe mere ị na-ese n'elu n'úkwù ma ọ bụ ọkwa obi

Ngwa ngwa aja jupụtara na mmiri, silt glacial na estuarine apịtị nwere nnukwu njupụta nke ihe dị ka 1.9 ruo 2.0 grams kwa cubic centimita (ihe dị ka okpukpu abụọ ka nnukwu mmiri dị ọcha, nke bụ 1.0 g/cm³). Nkezi ahụ mmadụ (ya na ngụgụ nwere ikuku) nwere njupụta nke naanị 0.95 ruo 1.01 gram kwa cubic centimita.

Site na ** Archimedes' Principle of Buoyancy**, ihe na-ese n'elu mmiri dị oke mmiri na-emikpu naanị ruo mgbe ọ tụpụrụ oke mmiri ruru nha nke ya. N'ihi na anụ ahụ mmadụ dị ihe dị ka ** ọkara ka oke dị ka aja na-agba ọsọ ***, onye dị jụụ nke kwụsịrị ịhịa aka n'ahụ ga-erute hydrostatic equilibrium na ** sere n'elu naanị ruo n'úkwù ma ọ bụ etiti obi. Naanị otu ụzọ mmadụ ga-esi banye kpamkpam bụ ma ọ bụrụ na ọ na-ama jijiji ma tie ya kwụ ọtọ mgbe ọ na-ebu ibu dị arọ, ma ọ bụ ọ bụrụ na ** mmiri na-abata ** na-ebili n'isi ya ebe ụkwụ ala ya na-anọgide na-ekpochi na sedimenti dị n'okpuru.

2. Viscosity na-abụghị Newtonian na ọnyà agụụ

Aja na ụrọ dị mmiri na-akpa àgwà dị ka ** mmiri mmiri na-abụghị Newtonian *** (ma ọ bụ ịkwa akwa ma ọ bụ ịkwa osisi na-adabere na nha ụrọ-na-aja):

Ọkara ntinye Ebe Ọ Na-eme Omume anụ ahụ n'okpuru nrụgide Otu esi agbaji njide
Osimiri Classic / Desert Quicksand (Mmiri na-ebuli elu + Ọmarịcha Quartz ájá) Ogwe ájá osimiri, ebe a na-asa mmiri (dịka ọmụmaatụ, Utah/Arizona slot canyons), isi iyi osimiri dị n'ụsọ oké osimiri. ** Liquefies na nzọụkwụ mbụ, emesia kọmpat ("mkpọchi dilatant") ***: Ịzọ ụkwụ n'elu ájá na-adịghị mmiri na-adaba n'usoro ọka mepere emepe; mmiri na-arịgo n'elu ebe ájá dị arọ na-akọrọ nke ọma dị ka simenti dị mmiri n'akụkụ nkwonkwo ụkwụ na ụmụ ehi gị. Weghachite mmiri n'akụkụ ụkwụ: Ntugharị okirikiri dị nwayọ na-agwakọta mmiri dị n'elu azụ n'ime ájá juru n'ọnụ gburugburu nwa ehi gị, na-emegharị kọlụm ahụ.
** ọnụ ọnụ Estuarine jikọtara ọnụ (ụrọ mmiri + Organic silt)** Ọnụ mmiri dị n'ụsọ oké osimiri, ọdụ ụgbọ mmiri, mmiri mmiri nnu, na nnukwu ụlọ mmiri (dịka, Morecambe Bay UK, Bay of Fundy Canada, Cook Inlet Alaska, Oké Osimiri Wadden Europe) ** thixotropic & oghere oghere dị elu ***: eriri anwụ na-acha ọkụ na-anọdụ n'elu mita nke ụrọ mmiri na-arapara n'ahụ. Ịgbalị ibili ụkwụ elu ngwa ngwa na-emepụta ikuku ikuku ** hydrostatic vacuum seal ** n'okpuru naanị akpụkpọ ụkwụ. ** Gbajie akara oghere n'okpuru ụkwụ ***: Dabere n'ihu / azụ na bọọdụ sara mbara ma ọ bụ mkpọ, rụọ ọrụ mmiri ma ọ bụ ikuku n'azụ nwa ehi, ma ọ bụ wepụ ụkwụ gị na akpụkpọ ụkwụ nwere laced.
** Silt glacial ("ụtụ ọka glacial" / ala ịsa ahụ)** Osimiri kpara akpa na ọnụ ala delta nke glaciers na-agbaze (Alaska, Iceland, Patagonia, Alps, New Zealand) ** Dilatant (Shear-Thickening) *: ntụ ọka ntụ ọka a kpụrụ akpụ a na-ahụ anya kwụsịtụrụ na mmiri gbazere. ** Ịgba ọsọ ma ọ bụ ịdọpụ ya na mberede na-eme ka silt kpochie ngwa ngwa, ebe nrụgide dị nwayọọ na-enye ohere ịgagharị. ** Gaa n'ihu na-eji nwayọ nwayọ **: Adịla akwa ma ọ bụ yank; Tinye ngwa ngwa, jiri nwayọ ruo ọtụtụ nkeji ka ị dinara ala
** Sphagnum Peat Bog ("Quaking Bog" / Muskeg / Mire)** Oke oke ohia nke ugwu, moorland, ugwu, na tundra (Scotland, Ireland, Canada, Scandinavia, Siberia) Ute na-ese n'elu akpaetu na mgbọrọgwụ n'elu mmiri acidic gbara ọchịchịrị na peat rere ure; ịkụ ọkpọ site na ute ahụ na-ejide ụkwụ n'okpuru mgbọrọgwụ mgbọrọgwụ ** Gbasaa ibu n'elu akwa elu ***: Dokwasị okporo osisi, alaka, ma ọ bụ mkpọ kwụ ọtọ n'ofe akwa akwa ma dọba onwe gị elu na afọ gị.

3. Ngụkọta ike nke 1,500-Newton

Nnwale nyocha ụlọ nyocha nke e bipụtara na * Nature * nke ndị ọkà mmụta sayensị na Mahadum Amsterdam na ENS Paris tụlere kpọmkwem ike achọrọ iji dọpụta otu ụkwụ mmadụ tọrọ atọ ozugbo site na ngwa ngwa ngwa ngwa na-ebuli ọsọ nke 1 centimita kwa sekọnd: ọ na-achọ ** ihe dị ka 100,000 Newtons nke ike ** mgbe emere ya ngwa ngwa, ma ọ bụ na ọ dịkarịa ala na 1,5 s. iji otu ụkwụ na-ebuli ihe dị 100 ruo 150-kilogram / 220-na-330-paund arọ)** naanị iji merie agụụ dị n'okpuru ụkwụ na esemokwu n'akụkụ nwa ehi.

Ọ bụ ya mere ** ijikọ eriri na nkwojiaka ma ọ bụ n'úkwù onye tọrọ atọ na ịdọrọ ya na otu ndị nọ n'akụkụ, ụgbọ mmiri, ma ọ bụ winch ATV bụ nke ndị otu ọkachamara na-anapụta apịtị machibidoro iwu.

Ịzọpụta onwe nke nzọụkwụ site na nzọụkwụ: otu esi ewepụ onwe gị naanị

Ọ bụrụ na ị banye n'ime ájá ngwa ngwa, glacial silt, ma ọ bụ apịtị ma nwee mmetụta na ị gafeworo ikpere gị, mee usoro ntinye onwe gị nke 5 ozugbo:

Kwụpụ 1: Wetuo ibu wee gbasaa akara ukwu gị n'ime sekọnd ise mbụ

  1. Agbalịla iwere nzọụkwụ ọzọ gaa n'ihu na ** anwala ibuli otu ụkwụ elu ka ị na-eguzo n'ụkwụ nke ọzọ ***: Ibuli ụkwụ aka ekpe gị na-etinye 100 pasent arọ ahụ gị n'ụkwụ aka nri gị, na-ebugharị ụkwụ aka nri gị okpukpu abụọ n'ime silt dị ka onye ọkwọ ụgbọ ala.
  2. **Tụpụ akpa gị ma dọba ya n'elu apịtị dị n'ihu gị ma ọ bụ n'azụ gị ***: ngwugwu gị na-eme ozugbo dị ka akpụkpọ ụkwụ snow/floatboard n'elu apịtị ebe ị nwere ike dobe obi gị, ogwe aka, ma ọ bụ elu azụ gị na-enweghị imi. Ọ bụrụ na ị na-ebu okporo osisi, égbè, mkpanaka ịkụ azụ, ma ọ bụ driftwood, dọba ha n'elu elu n'okpuru ogwe aka gị.

Nzọụkwụ 2: Gbanwee site na vetikal gaa na kehoraizin (The Back-Float Posture)

  • **Ọ bụrụ na apịtị ma ọ bụ aja na-agba ọsọ nwere oke mmiri dị mkpa n'elu ma ọ bụ dị nro ***: Jiri nwayọọ daa azụ elu na ubu gị azụ azụ ruo mgbe azụ, ubu na isi gị na-adaba n'elu apịtị dị ka ị na-ese n'azụ gị na ọdọ mmiri igwu mmiri.
  • ** Gịnị kpatara ịgha ụgha na-arụ ọrụ ***: N'ọnọdụ kwụ ọtọ, 70 ruo 90 kilogram (155 ruo 200 pound) nke ịdị arọ gị gbadoro ụkwụ na obere akpụkpọ ụkwụ 250-square-centimeter. Ịdabere n'azụ gị na-atụgharị ụzọ abụọ n'ụzọ atọ nke ịdị arọ ahụ gị n'ụkwụ gị wee gbasaa ya n'ofe 6,000+ square centimita nke isi ahụ gị, na-akwụsị ngwa ngwa ọ bụla na-adada ala.

Kwụpụ 3: Mee ka kọlụm dị gburugburu otu ụkwụ n'otu oge

Ugbu a, na a na-akwado ịdị arọ gị n'azụ (ma ọ bụ na-adabere na akpa azụ gị dị larịị):

  1. Lekwasị anya na ** naanị otu ụkwụ *** (ụkwụ ọ bụla dị ntakịrị).
  2. Malite ịkwaga n'apata ụkwụ ahụ na ncha na ** obere okirikiri, obere okirikiri ma ọ bụ ihe osise asatọ na-akpali akpali ** (na-ebugharị naanị 1 ruo 2 centimita / 0.5 ruo 1 inch n'aka ekpe, aka nri, gaa n'ihu na azụ).
  3. **Chere ka mmiri na-adaba n'ime oghere ***: Ka nwa ehi gị na-agbanye ntakịrị na mgbidi nke oghere ahụ, ọ na-emepe oghere conical dị warara n'akụkụ ụkwụ gị. Mmiri dị n'elu (ma ọ bụ pore mmiri sitere na apịtị) na-abanye n'ime oghere ahụ n'akụkụ azụ gị.
  4. Jide n'aka na-atụgharị ma na-atụgharị nkwonkwo ụkwụ gị maka nkeji 2 ruo 5 **. Ị ga-enwe mmetụta siri ike dị ka simenti dị n'akụkụ nwa ehi gị nke nta nke nta ka ọ ghọọ slurry mmiri na-esi ísì ụtọ ka mmiri na-erute nkwonkwo ụkwụ gị wee gbajie akara oghere n'okpuru ikiri ụkwụ gị.
  5. ** Ọ bụrụ na agbado akpụkpọ ụkwụ gị n'ụrọ miri emi ***: Jiri otu aka rute n'afọ gị (mgbe ị na-akwado igbe gị na mkpọ gị), kpọghee ma ọ bụ tọpụ eriri akpụkpọ ụkwụ gị, wee wepụ ụkwụ gị nke nwere akwa akwa nwayọọ nwayọọ na akpụkpọ ụkwụ ahụ. Ịlafu akpụkpọ ụkwụ ụkwụ 150-dollar ma ọ bụ akpụkpọ ụkwụ Wellington abụghị ihe ọ bụla ma e jiri ya tụnyere ịbụ onye mmiri na-ebili na-ejide.

Kwụpụ 4: Dịrị ikpere a tọhapụrụ nwayọ nwayọ n'elu

  • Ka ị na-aga n'ihu na mmegharị okirikiri nwayọ nwayọ ka ị dinara n'azụ gị, dọta ikpere gị nke nwere onwe ya nwayọ nwayọ n'ogo ogo 45 n'ime obi gị n'otu ntabi anya ** ihe na-erughị 1 centimita kwa sekọnd**.
  • Oge nwa ehi na ụkwụ gị dapụrụ n'elu apịtị ahụ, dokwasị ụkwụ ahụ n'ụzọ kwụ ọtọ n'elu apịtị ahụ (eweghachila ụkwụ gị azụ n'ụzọ kwụ ọtọ).
  • Zuruo ike maka sekọnd 30, wee kwugharịa otu mmegharị ahụ na-akpali akpali iji mee ka ụkwụ nke abụọ hapụ gị ruo mgbe ụkwụ abụọ ahụ dina n'elu apịtị ahụ.

Kwụpụ 5: Bugharịa ma ọ bụ igwu mmiri-raghachi azụ n'ala siri ike

Ozugbo ị dinara ala n'elu ájá ngwa ngwa ma ọ bụ mudflat na-enweghị ụkwụ abụọ:

  • Ekwụsịla ibili ije ije ruo mgbe ị ga-alaghachi n'elu nkume siri ike, ahịhịa kpọrọ nkụ, ma ọ bụ ajịrịja nkume. Iguzo ọtọ 3 mita (ụkwụ iri) site n'ụlọ akụ ga-akụ gị azụ ozugbo site na eriri ruo n'úkwù gị.
  • Kama, ** tụgharịa n'akụkụ dị ka log ** gafee apịtị, ma ọ bụ dinara ala n'afọ / azụ gị wee jiri nwayọ nwayọ * ịgba mmiri ara / azụ azụ azụ* (na-ebugharị akpa azụ gị n'ihu gị) iji mee ka ịdị arọ gị kesaa n'elu apịtị ahụ ruo n'ala siri ike.

Inyere onye ọzọ tọrọ aka n'ebughị ụzọ bụrụ onye nke abụọ

Ọ bụrụ na enyi gị, nwatakịrị, ma ọ bụ nkịta na-agbaba n'ime apịtị miri emi ma ọ bụ ájá dị ọkụ mgbe ị ka nọ n'ala siri ike, iwu #1 gị bụ: Egala ọtọ n'elu apịtị iji jide ha.

1. Kpọọ ọkachamara Mud / Coast Guard Nnapụta ozugbo na mpaghara tidal

Ọkachamara ọkụ ọkụ na ndị nche n'ụsọ oké osimiri ** Ndị na-ahụ maka nnapụta apịtị ** na-eji akụrụngwa pụrụ iche nke onye guzoro nso enweghị ike ịmegharị:

  • Ha na-eyi nnukwu eriri ** mud pattens / mudders ** (aluminom slatted ma ọ bụ ụdị ụdị snowshoe mejupụtara nke na-agbapụta ụkwụ anọ n'elu elu), na-ebugharị ** ụzọ nnapụta inflatable (Mud Sleds)** gafee ụlọ, na-ebu ** ikuku na mmiri lances **: ogologo oghere oghere nchara jikọtara ya na tankị nke na-adaba n'akụkụ mmiri nke na-agbadata n'akụkụ ebe a na-agbapụta mmiri. mmiri ma ọ bụ ikuku nwere nrụgide n'okpuru ụkwụ onye ahụ, na-agbaji oghere hydrostatic na ** 5 sekọnd ** ka onye ahụ na-ese n'elu mmiri ozugbo.

2. Ka ndị na-eguzo n'akụkụ nwere ike isi nyere aka n'enweghị nsogbu site n'ikpere mmiri mgbe ha na-eche

  1. Jiri ntụtụ GPS na ihe nleba anya n'ikpere mmiri gosi ebe onye ahụ tara ahụhụ ***: Na nnukwu mudflat na-enweghị atụ ma ọ bụ mmiri nnu, gwa ndị 911/112/999 na-ezigara ndị na-ahụ maka ekwentị gị kpọmkwem GPS nhazi (ma ọ bụ ** what3words ** okwu square atọ) wee kee jaket na-egbuke egbuke n'osisi dị n'ikpere mmiri na-enyere ndị na-eme ihe aka hụ ozugbo.
  2. ** Tụfuo ma ọ bụ bufee "Platform Distribution Platform" n'aka onye ahụ**: Lee anya n'akụkụ osimiri, mmalite ụgbọ mmiri, ma ọ bụ ụzọ maka ihe ọ bụla dị larịị na obosara nke na-ese n'elu ma ọ bụ gbasaa ibu:
    • ** bọọdụ sọfụ, paddleboard (SUP), kayak, ma ọ bụ ụgbọ mmiri ***
    • ** plank osisi, mpempe akwụkwọ plywood, ubube, ma ọ bụ logị na-ebugharị ***
    • Ihe mkpuchi ikuku nwere ike ịfụ ọkụ, akwa ụra, jaket ndụ (PFD), ma ọ bụ jerrycan mmiri efu.
    • ** nnukwu akpa azụ abụọ *** mechie
    • Kee eriri na bọọdụ ma ọ bụ ọrụ aka ma ọ bụrụ na ị nwere otu, ma were ya gafee apịtị ahụ n'aka onye ahụ a na-emegbu ka ha nwee ike ịdabere n'obi na ogwe aka ha n'elu ikpo okwu ka ha kwụsị imikpu ma tufuo arọ ha n'ụkwụ ha.
  3. ** Nye onye a na-ata ahụhụ ngwá ọrụ ọ ga-eji gwuo mmiri na mmiri n'ụkwụ ha ***: Tụba ha paddle ** kayak, okporo osisi na-eme njem, ma ọ bụ osisi na-adịghị mma ** (kegidere na eriri ka ha ghara idafu ya). Onye ahụ a tara ahụhụ nwere ike ịfefe paddle paddle ma ọ bụ rapara ogologo n'akụkụ azụ apata ụkwụ ya na nwa ehi ma jiri nwayọọ mee ya azụ na azụ iji mepee ọwa mmiri gbadaa na nkwonkwo ụkwụ ha, na-agbaji akara oghere.
  4. ** Mee ka onye ahụ kpoo ọkụ site n'elu ***: apịtị mmiri dị na 5 ruo 10 degrees Celsius (41 ruo 50 degrees Fahrenheit) na-ewepụ okpomọkụ ahụ ngwa ngwa site na ahụ dị ala. Tụpụ onye ahụ ihe mere ya jaket na-ekpo ọkụ, okpu ajị anụ, na ikuku ikuku iji yikwasị elu ahụ ha ka ha na-arụ ọrụ ụkwụ ha n'efu ma ọ bụ chere nnapụta.
  5. Ọ bụrụ na ị ga-eji ụdọ mee ka ụkwụ onye ahụ tọpụchara: Adịla eriri n'úkwù ma ọ bụ nkwojiaka nke onye ihe ahụ mere ihe na-adịghị efe efe wee bulie elu site na nnukwu ụlọ akụ. Ọ bụ naanị mgbe onye ahụ merụrụ ahụ gbasasịrị mmiri n'ụkwụ ha, gbajie oghere ahụ, dabere n'azụ ya ma ọ bụ afọ ya na bọọdụ, gbanye eriri ahụ n'okpuru ogwe aka ha abụọ (n'ofe jaket ndụ ma ọ bụ akwa mkpuchi mkpuchi) wee tinye ** nwayọ, mgbakasị ahụ kwụ ọtọ** mgbe onye ahụ na-agba ụkwụ na-egwu mmiri n'elu.

Warning

N'ihe mberede **Tidal Estuary ** ebe oke osimiri na-abata na-agbasi mbọ ike n'úkwù na obi nke onye tọrọ atọ na ndị nnapụta ọkachamara erubeghị, nlanarị tupu mmiri kpuchie isi ha bụ naanị ihe kacha mkpa. Ọ bụrụ na ị nwere eriri ubi, mgbapụta bilge, ma ọ bụ bọket mmiri na ụgbọ mmiri dị nso ma ọ bụ n'ikpere mmiri, na-awụsa mmiri ozugbo na mgbape n'etiti ụkwụ onye ahụ na apịtị ahụ mgbe ị na-arụ ọrụ paddle ma ọ bụ osisi ruo na nkwonkwo ụkwụ ha bụ ụzọ kachasị ngwa ngwa iji gbanye ụrọ ma gbajie mmiri mmiri tupu mmiri ahụ eruo ha. Ọ bụrụ na mmiri erute n'obi ha, akpụkpọ ụkwụ ha ka na-ekpochikwa n'okpuru, gbadaa n'okpuru mmiri ka ** jiri mma gbutuo eriri akpụkpọ ụkwụ ha ** ka ụkwụ efu ha nwee ike isi na akpụkpọ ụkwụ ndị ahụ tọrọ.

Nlekọta ahụike mgbe ewepụtara ya: hypothermia, ujo, na mmerụ ahụ hydrostatic

Ozugbo ewepụrụ mmadụ pụọ na apịtị miri emi, aja aja, ma ọ bụ ahịhịa oyi, ** ekwela ka ha guzoro ma gbalịa ịlaghachi n'ụgbọ ala ozugbo.

1. Circum-nnapụta ọdịda na hydrostatic afanyekwa

Mgbe mmadụ tọrọ atọ n'úkwù- ma ọ bụ n'ime obi-n'ime nnukwu apịtị maka nkeji 30 ruo ọtụtụ awa, mgbanwe abụọ dị ize ndụ na-eme n'ime ahụ ha:

  • ** Mgbanwe nrụgide ikuku (Mgbanwe Immersion Mkpebi): Apịtị dị oke arọ na-atụ okpukpu abụọ karịa nke mmiri ma na-etinye nrụgide dị ukwuu n'èzí megide veins nke ụkwụ, nwa ehi na apata ụkwụ, na-amanye ọbara elu n'ime obi obi ka ọ na-ajụkwa ụkwụ n'otu oge. Ọ bụrụ na ị wepụ onye ahụ na apịtị ahụ wee kwụ ọtọ ozugbo, nrụgide dị n'èzí na-apụ n'anya ozugbo: ọbara na-agbaba ngwa ngwa n'ime oyi, veins ụkwụ gbawara agbawa, na-eme ka mbelata ọbara mgbali n'obi na ụbụrụ na mberede ( orthostatic shock *) ma ọ bụ na-ebute fibrillation ventricular na-egbu egbu ka ọbara oyi oyi na-adabaghachi n'ime obi ọkụ ()
  • Ọ bụrụ na onye ahụ tọrọ atọ n'ime oke, na-akpakọ sedimenti maka ** ihe karịrị awa 2 ruo 4 **, anụ ahụ dị n'ime ụmụ ehi ma ọ bụ apata ụkwụ nwere ike ịnwe ischemia (agụụ oxygen), na-agbakọta potassium na myoglobin na-ahapụ n'ime ọbara mgbe mmịpụta.
  • ** Ọnọdụ mgbanaka ziri ezi *: Debe onye a napụtara ** dinara n'ụzọ kwụ ọtọ n'ala akọrọ (ma ọ bụ kpuchie ya na pads / jaket na ala oyi) opekata mpe ** 15 ruo 30 nkeji ***. Beepụ ma ọ bụ bepụ uwe ogologo ọkpa na sọks ndị dị mmiri mmiri na-ekpo ọkụ, kechie ha na blanketị kpọrọ nkụ ma ọ bụ akpa mmiri na-adịghị (na-ekpuchi isi na olu), nye ihe ọṅụṅụ na-ekpo ọkụ nke na-adịghị egbu egbu ma ọ bụrụ na ị mụrụ anya nke ọma, ma mee ka ndị ọrụ ahụike na-ebuga ha n'ụlọ ọgwụ maka isi okpomọkụ, electrolyte, na nlekota akụrụ.

Note

Enyemaka mbụ na nzọụkwụ nnapụta ọzara na ibe a na-enye ntụzịaka ozugbo n'oge ihe mberede ọnyà ma ghara dochie ọzụzụ aka. Ọ bụrụ na ị na-agbago, ichu nta, ma ọ bụ paddle n'ụsọ oké osimiri, obodo canyon, ma ọ bụ n'ebe ugwu, tụlee ị nweta enyemaka mbụ nke Wilderness (WFA) na CPR site na Red Cross, NOLS Wilderness Medicine, St John Ambulance, ma ọ bụ òtù nnapụta ugwu / oke osimiri.

Mgbọrọgwụ apịtị dị n'ụsọ oké osimiri, oghere oghere, na ndepụta mgbochi bog

Tupu ị gafefe ụlọ ndị dị n'ụsọ oké osimiri, osimiri ndị a kpara akpa nke glacial, ịsa ọzara, ma ọ bụ ugwu ugwu, soro iwu isii ndị a ka ịzenarị ịbanye n'ọnyà:

  • ** Lelee Tebụl Tide dị n'ime obodo ma gbakwunye nchekwa nchekwa awa 2 ***: Apụla n'elu apịtị dị n'ụsọ oké osimiri, ogwe aja, ma ọ bụ ụzọ mmiri na-adọba n'oké osimiri na-abata (mmiri mmiri). Naanị gbasie ike na mmiri na-ada (ebb), tọọ mkpu ka ịlaghachi azụ ma ọ dịkarịa ala ** 1 awa tupu mmiri dị ala anwụ anwụ **, wee lelee ntụzịaka ikuku (ikuku siri ike dị n'ikpere mmiri na-ebuli mmiri ahụ n'ihe dị ka nkeji 45 tupu oge na ngwa ngwa karịa tebụl tide ebipụtara).
  • Jiri okporo osisi ma ọ bụ osisi ogologo nwalee ala enyo n'ihu gị: Buru mkpanaka ụkwụ ma ọ bụ mkpara osisi siri ike. Tupu ị banye n'ime ájá ájá nke osimiri na-adịghị ahụkebe, olulu mmiri dị mmiri, ma ọ bụ ahịhịa ahịhịa ndụ akwụkwọ ndụ na-egbuke egbuke, gbanye osisi ahụ nke ọma n'ala n'ihu gị; Ọ bụrụ na mkpanaka ahụ na-adaba n'ike n'ike ma ọ bụ mee ka gburugburu 2 mita (6 ụkwụ) nke ala jiggle dị ka jelii ( liquefaction **), na-ejegharị gburugburu ya na gravel ma ọ bụ nkume dị elu.
  • ** Mụta akara ịdọ aka ná ntị anya nke ájá ngwa ngwa na oghere nke miri emi ***:
    • ** N'akụkụ osimiri na ọdọ mmiri ***: Chee maka patches ájá dị larịị, nke na-asọ oyi, nke gbawara agbawa n'ime mmiri mmiri ma ọ bụ ebe mmiri dị n'okpuru ala na-esi elu, ọkachasị ebe akara ukwu ndị gara aga jupụtara na mmiri wee pụọ.
    • ** N'ebe ugwu peat bogs na moorlands *** Zere neon-green na-egbuke egbuke ma ọ bụ na-acha akwụkwọ ndụ akwụkwọ ndụ velvety moss patches (Sphagnum cuspidatum)** nọ ọdụ na nkụda mmụọ; sphagnum na-acha akwụkwọ ndụ akwụkwọ ndụ na-eto ozugbo n'elu ọdọ mmiri miri emi, nke na-enweghị ala ("bog ọdọ mmiri"), ebe heather na-acha uhie uhie, sedge tussocks, na drier hummocks na-egosi peat siri ike.
  • ** Debe akpa gị hip-belt na sternum strap mgbe ị na-agafe apịtị ma ọ bụ osimiri ***: Ọ bụrụ na ị na-adaba ma ọ bụ mikpuo n'ime mmiri miri emi na apịtị, inwe eriri ukwu gị dị arọ ewepụtalarị na-ahapụ gị ịkwanye akpa ahụ n'ubu gị n'ime 2 sekọnd.
  • ** Buru redio mmiri mmiri VHF mmiri ma ọ bụ satịlaịtị SOS satịlaịtị n'akpa akpa ***: etinyela ekwentị gị ma ọ bụ PLB n'ime akpa gị n'obere ala; debe ya na obere akpa mmiri na-adịghị n'ime obi gị ma ọ bụ eriri ubu ka ị nwee ike ịkpọ ndị nche Coast ọ bụrụgodị na aka gị kpuchiri ụrọ slick.
  • ** Agagharịla n'okporo ụzọ a ma ama na-enweghị onye ndu obodo ***: nnukwu ọdụ ụgbọ mmiri dị ka ** Morecambe Bay ** na ** Solway Firth ** (UK), ** Mont-Saint-Michel Bay *** (France), ** Turnagain Arm / Cook Inlet *** (Alaska), na ** Bay of River Fundy na njiri mara n'okpuru nke Canada 5. ruo 25 km / h (9 ruo 15 mph). Naanị gafee n'okporo ụzọ akara ma ọ bụ jiri ntuziaka mpaghara akwadoro.

Ajụjụ a na-ajụkarị

Ngwa ngwa na ọ nwere ike ime mmadụ kpamkpam n'okpuru mmiri dị ka na fim?

Ee e, ọ gaghị ekwe omume n'anụ ahụ ngwa ngwa ma ọ bụ apịtị miri emi ịmịcha ahụ mmadụ kpamkpam n'okpuru elu n'onwe ya. Quicksand nwere njupụta nke ihe dị ka gram 2.0 kwa milliliter, ebe ahụ mmadụ nwere njupụta nke ihe dịka 1.0 gram kwa milliliter (ọkara dị ka nnukwu aja). Site n'iwu nke ịkwọ ụgbọ mmiri, ọ bụrụ na ị kwụsị ịzọchasị ahụ wee zuru ike, ị ga-ese n'elu mmiri n'ime mmiri adịghị n'ime karịa úkwù ma ọ bụ etiti obi gị. Ezigbo ihe egwu na-egbu egbu abụghị imikpu n'isi gị n'ájá n'onwe ya, kama ịbụ onye a na-emegharị emegharị ruo n'úkwù gị n'akụkụ apịtị dị n'ụsọ oké osimiri ma ọ bụ n'osimiri mmiri mgbe oke osimiri na-abata na-ebili n'elu isi gị, ma ọ bụ na-enwe nnukwu hypothermia site na awa nke ikpughe.

Kedu ihe kpatara ịgba ụkwụ ma ọ bụ ịgbalị ịrịgo ngwa ngwa na-eme ka ị mikpuo n'ime ájá ngwa ngwa?

Quicksand na estuarine ụrọ bụ mmiri na-abụghị Newtonian nke viscosity na-agbanwe n'okpuru nrụgide ọrụ. Mgbe ị na-akụtu, na-agba ma ọ bụ na-agbalị iji otu ụkwụ na-arịgo ka ị na-eji nke ọzọ na-arịda, ngwa ngwa ịkwa osisi na-akwapụ mmiri ahụ n'etiti oghere dị n'etiti ájá ájá kpọmkwem n'okpuru ụkwụ gị ma mee ka ájá na ụrọ gbara ya gburugburu gbanye obere oge wee gbadaa n'akụkụ ụmụ ehi gị dị ka mmiri mmiri. Ịgagharị na mmegharị okirikiri dị nwayọọ na nke dị nro ka ị na-adabere n'ịdị arọ gị n'elu na-enye ohere ka mmiri na-agbanye azụ n'azụ azụ gị na-enweghị ịgbakọ sedimenti.

Kedu ihe kpatara na ị gaghị eji ụgbọ ala, ụgbọ mmiri, ma ọ bụ ATV kechie ụdọ na onye tọrọ atọ?

Mgbe e liri ụkwụ mmadụ site na 60 ruo 90 centimeters (2 ruo 3 feet) n'ime ụrọ jikọtara ọnụ ma ọ bụ gbakọtara ngwa ngwa, ịdọta ha elu kwụ ọtọ na-emepụta akara ikuku ikuku n'okpuru akpụkpọ ụkwụ ha. Nnwale physics na-egosi na imeri agụụ ahụ na esemokwu ngwa ngwa chọrọ ihe karịrị 1,500 ruo 10,000+ Newtons nke ike, nke dị ike karịa ka ọ na-ewe iji bulie ụgbọ ala kọmpat. Ịdọta onye tọrọ atọ kwụ ọtọ na-eji winch, ụgbọ mmiri, ma ọ bụ ìgwè ndị mmadụ n'ụdọ dọkasịa n'ubu ha, dọka agbụ úkwù na ikpere, ma ọ bụ mee ka ọkpụkpụ azụ na kụpịasịa ahụ́ na-egbu egbu tupu akpụkpọ ụkwụ ha esi n'ụrọ pụta. Ị ga-ebu ụzọ na-agbaji akara oghere mgbe niile site n'ịrụ ọrụ mmiri ma ọ bụ ikuku na-agbada n'akụkụ ụkwụ ha ma na-awụpụ ha kwụ n'ahịrị na bọọdụ dị larịị.

Gịnị bụ “glacial silt” (ntụ ọka glacial), gịnịkwa mere o ji dị ize ndụ nye ndị njem na Alaska, Iceland, na ndagwurugwu ndị dị elu?

Glacial silt (or rock flour) consists of microscopic rock particles ground to the fineness of talcum powder by moving glaciers and deposited along flat, braided glacial riverbeds and delta bars. Unlike ordinary coarse beach sand, wet glacial silt is strongly "dilatant" (shear-thickening): a flat gravel-covered bar can look completely solid until you step on it, at which point the vibrations liquefy the silt into a waist-deep gray soup, and then the instant you try to jerk your leg upward, the microscopic particles lock together into an immovable solid mass. If caught in glacial silt, immediately drop onto your stomach or back, shed your pack, and move your legs with extreme slowness while letting river water flow into the gap around your thighs.

What should I do if my dog runs out onto a tidal mudflat or bog and gets stuck?

Never walk out onto the mudflat yourself to rescue your dog. Dogs have four thin legs and weigh a fraction of a human, meaning that if the mud crust broke under a 25-kilogram (55-pound) dog, a 75-kilogram (165-pound) human walking out on two feet will break through much deeper and become trapped before ever reaching the dog. Instead, stay on the firm shore, call your local emergency number / Coast Guard immediately (fire and coast guard mud-rescue teams regularly rescue trapped dogs using their mud sleds), and stand on the bank calling your dog calmly while tossing treats just ahead of their nose so the dog paddles on its belly across the surface toward you.

Why do rescuers keep a mudflat victim lying flat on a stretcher after pulling them out instead of letting them walk?

When a person is trapped waist-deep in cold mud for an extended period, the heavy mud squeezes blood out of their lower legs up into their torso while chilling the stagnant blood remaining in their feet and calves. If the person stands up immediately after being pulled free, two life-threatening events can happen at once: blood rushes rapidly back down into the uncompressed leg veins (causing a sudden drop in blood pressure and fainting/shock), and cold, acidic blood from the legs rushes back into the warm core heart muscle ("afterdrop"), which can trigger fatal cardiac arrest. Keeping the person lying flat, warm, and still allows circulation and temperature to equalize safely.

enyochara isi mmalite

  • HM Coastguard and Maritime and Coastguard Agency (MCA, United Kingdom): Mud Rescue Operational Procedures, Coastal Mudflat Safety Advisories, and Hydrostatic Extraction Standards
  • National Fire Protection Association (NFPA, United States): NFPA 1006 / NFPA 1670 Standard on Operations and Training for Technical Search and Rescue Incidents (Surface Water, Ice, and Mud/Silt Trench Entrapment)
  • National Park Service (NPS, United States) and Alaska Department of Natural Resources (United States): Canyon Country Quicksand Mechanics (Glen Canyon / Zion) and Glacial Silt / Estuarine Mudflat Survival Guidelines (Turnagain Arm & Wrangell-St. Elias)
  • Royal National Lifeboat Institution (RNLI, United Kingdom) na Bay Search and Rescue (Morecambe Bay, United Kingdom): Tidal Mudflat Entrapment Physics, Mwepụta Air/Water Lance Compressed, na Mgbochi Mgbochi Mbibi Mbibi
    • Nature * (Bonn, D., Khaldoun, A., et al., Mahadum Amsterdam & ENS Paris): * "Liquefaction of Quicksand Under Stress"* (Rheology, Buoyancy Equilibrium, na Newton Extraction Force Calculations)
  • Scotland na-agba ugwu na Kansụl Nchekwa Peatland Irish (United Kingdom & Ireland): Peat Bog / Quaking Mire Hazard Identification and Self-Rescue Protocols

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