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Content: Links | Cooking at Altitude | Nutrition Requirements
Sea Level 212°F Cook time 5,000' 203 +25-50% 7,500' 198 +33-80% 10,000 194 15,000 184 Because of the lower air pressure, boiling water "evaporates" much more rapidly, causing the need for more liquid. You also want to increase liquid 15% at 5,000' and 25% at 7,000' See The Cooking Inn : High Altitude CookingChanges in barometric pressure due to weather has a small effect also. The normal extremes are about the same as 1,000' change in elevation.
Nutrition - Energy Requirements:
The additional exercise of backpacking also increases your caloric requirements.
Peoples metabolism vary even for people of the same size.
The Complete Walker IV uses the following formula:
- They break camp activities into 3 groups with 20,30 and 50 kcal /hr.
Guidelines vary from source to source. Below are standard ranges.
2. During winter camping increase fats to 40%
The problem with fats: "At high altitude (and in extreme heat too) anyone's appetite is liable to falter, and fats may not be too appetizing. A possible reason: fat needs more oxygen to "burn". At high altitude you may also abhor the thought of protein."They, Fletcher and Rawlins, recommend compensating by carrying a variety of choices, sweet things being the most palatable. Types of Backpacking Food: Pre packaged: Freeze Dryed Mountain House MRE (Meal, Ready-to-Eat ) Military Typical contents include entree, side dish, crackers, peanut butter/cheese spread, dessert, instant coffee/tea, matches, toilet paper, spoon, and a chemical which heats up by adding water.See: Nutrition under health Outdoor Action Guide to Winter Camping : Rick Curtis at Princeton Nutritional Content of specific foods In 2011 the USDA rolled out its new "MyPlate" program, with 5 food groups; fruits, vegetables, grains, protein and dairy. See Nutrition in health Calories per Ounce | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Almonds......165 Beef Jerky... 70 Bread........ 70 Cereal.......110 Cheese....... 80 Chocolate....140 Cookies......130 Crackers.....110 |
Fruit........ 20 Fruit, dried. 90 Granola......110 Noodles......110 Nuts, mixed..170 Olive oil....240 Pasta........110 Peanuts......160 |
Peanut Butter.....160 Potato Chips......150 Raisins........... 90 Ramen Noodles.....130 Snickers Bar......140 Sugar.............110 Tortilla Chips....150 Vegetables........ 10 Dried Vegetables.. 70 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Source: Backpacking Food | the-ultralight-site.com
Note: Townsend shoots for 35 oz of food per day, so his food should average 100 calories per oz. (28 g)
See: Nutritional Content of specific foods
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