9798197915627 - water treatment methods filtration, purification, and sourcing techniques for backcountry hydration de dusk, clara (5 resultados)
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Librería: PBShop.store US, Wood Dale, IL, Estados Unidos de AmericaPBShop.store US
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EUR 26,31
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PAP. Condición: New. New Book. Shipped from UK. Established seller since 2000.
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Librería: PBShop.store UK, Fairford, GLOS, Reino UnidoPBShop.store UK
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PAP. Condición: New. New Book. Shipped from UK. Established seller since 2000.
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Librería: AHA-BUCH GmbH, Einbeck, AlemaniaAHA-BUCH GmbH
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Taschenbuch. Condición: Neu. Neuware - What if the clearest creek on the trail is the one that puts you in the ER The backcountry doesn't care about your experience level. Giardia cysts don't check your follower count before they colonize your gut. After fifteen years of guiding commercial trips in the Sierra, scouting routes fo…r film crews in Utah slot canyons, and logging solo traverses across the Brooks Range and the Tasmanian Wilderness, I've learned that water treatment isn't a gear choice-it's the master variable that determines whether you finish the route or get evacuated.This field manual distills hard-won lessons from landscapes where a waterborne illness doesn't mean a trip to the pharmacy; it means a life-flight evacuation. I've filtered water from glacial silt that choked a pump in twenty strokes, watched UV pens fail in freezing Alaskan mornings, and calculated exactly how much bleach to add to a mud puddle when a ceramic filter shattered on granite twelve miles from the nearest road. The methods in these pages aren't theoretical. They've been pressure-tested on treks where hydration isn't just about survival-it's about maintaining the physical and mental integrity to actually enjoy the landscape you're fighting to reach.Inside, you'll find the decision matrices I use when my primary treatment system fails three days from the trailhead. You'll learn why 'boil for three minutes' wastes precious fuel, why your hollow-fiber filter becomes a liability in sub-zero temperatures, and how to read vegetation patterns, geological formations, and seasonal hydrology to locate water where maps show none. Whether you're planning your first solo overnight or outfitting a month-long expedition, these protocols will become as automatic as checking your boots for blisters.The water is out there. Let's make sure it doesn't take you out.Curiosity Bullet Points- The exact decision matrix a professional guide uses when a primary filter fails deep in the backcountry- Why the 'pristine' alpine creek that looks like postcard water may carry a viral load that terrifies city sewer workers- The real reason boiling for three minutes is wasteful advice that burns through your fuel reserves- How to spot hidden water sources by reading vegetation patterns, geology, and seasonal hydrology that maps miss entirely- Field-tested protocols for when your ceramic filter shatters, your UV pen freezes, or glacial silt chokes your pump in twenty strokesYour next trail starts with the water you drink. Pack this manual before you pack your filter.
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Librería: California Books, Miami, FL, Estados Unidos de AmericaCalifornia Books
Contactar con el vendedorVendedor de 4 estrellasCondición: Nuevo
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Condición: New. Print on Demand.
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Librería: CitiRetail, Stevenage, Reino UnidoCitiRetail
Contactar con el vendedorVendedor de 5 estrellasCondición: Nuevo
EUR 28,23
Envío por EUR 43,17Se envía de Reino Unido a Estados Unidos de AmericaCantidad disponible: 1 disponibles
Paperback. Condición: new. Paperback. What if the clearest creek on the trail is the one that puts you in the ER?The backcountry doesn't care about your experience level. Giardia cysts don't check your follower count before they colonize your gut. After fifteen years of guiding commercial trips in the Sierra, scouting routes for… film crews in Utah slot canyons, and logging solo traverses across the Brooks Range and the Tasmanian Wilderness, I've learned that water treatment isn't a gear choice-it's the master variable that determines whether you finish the route or get evacuated.This field manual distills hard-won lessons from landscapes where a waterborne illness doesn't mean a trip to the pharmacy; it means a life-flight evacuation. I've filtered water from glacial silt that choked a pump in twenty strokes, watched UV pens fail in freezing Alaskan mornings, and calculated exactly how much bleach to add to a mud puddle when a ceramic filter shattered on granite twelve miles from the nearest road. The methods in these pages aren't theoretical. They've been pressure-tested on treks where hydration isn't just about survival-it's about maintaining the physical and mental integrity to actually enjoy the landscape you're fighting to reach.Inside, you'll find the decision matrices I use when my primary treatment system fails three days from the trailhead. You'll learn why "boil for three minutes" wastes precious fuel, why your hollow-fiber filter becomes a liability in sub-zero temperatures, and how to read vegetation patterns, geological formations, and seasonal hydrology to locate water where maps show none. Whether you're planning your first solo overnight or outfitting a month-long expedition, these protocols will become as automatic as checking your boots for blisters.The water is out there. Let's make sure it doesn't take you out.Curiosity Bullet PointsThe exact decision matrix a professional guide uses when a primary filter fails deep in the backcountryWhy the "pristine" alpine creek that looks like postcard water may carry a viral load that terrifies city sewer workersThe real reason boiling for three minutes is wasteful advice that burns through your fuel reservesHow to spot hidden water sources by reading vegetation patterns, geology, and seasonal hydrology that maps miss entirelyField-tested protocols for when your ceramic filter shatters, your UV pen freezes, or glacial silt chokes your pump in twenty strokesYour next trail starts with the water you drink. Pack this manual before you pack your filter. This item is printed on demand. Shipping may be from our UK warehouse or from our Australian or US warehouses, depending on stock availability.
