Activity for J.P.M.
| Type | On... | Excerpt | Status | Date |
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A: Would waterproofing Styrofoam in a boat make water retention better or worse? Considering the construction principal: "Water Will Find The Failure," water-proofing barriers must be complete, or provide outlets. If you seal your object 100%, it's ability to retain water will increase as water will be trapped by both the foam and the sealant. However, if the foam contains 0% h... (more) |
— | over 7 years ago |
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A: Relation of ski characteristics to skiing ability and snow conditions Icy conditions will require more rigid skis that cut into the snow and don't track in established ruts. Soft powder will require fat skis that float and flex through the soft snow. Beginner skiers will want a ski that turns easily and doesn't go fast. Advanced skiers tailor the skis to their parti... (more) |
— | over 7 years ago |
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A: Handheld Compass Triangulation Typical Error Range Taking hand bearings can be tricky to get precise and accurate. There are a lot of factors that play into one's success, stability of the user as the most critical. While on the water I perceive my best single reading will be within 2.5˚ (i.e. I will bounce within a 5˚ window). While on ... (more) |
— | over 7 years ago |
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A: Is Off Trail Travel Between Lakes in the Humphreys Basin, CA Feasible Absolutely. I just returned from the area and found that once we crested over Piute Pass and into the Humphreys Basin, the terrain is easily traversable off trail. While the fragile ecology struggling to survive in the rugged windswept mountains may not appreciate traffic from heavy boot-laden step... (more) |
— | about 8 years ago |
| Question | — |
Is Off Trail Travel Between Lakes in the Humphreys Basin, CA Feasible I'm looking to explore the a number of High Sierra lakes in California's John Muir Wilderness; specifically in Humphreys Basin. Geology (from photographs) appears severe with rock, scree, and debris, Topography appears manageable, and the vegetation appears sparse. The trails move across the North si... (more) |
— | over 8 years ago |
| Answer | — |
A: Remaining impacts from the very low snow pack of 2014-2015 in the Western Sierra and extra precautions we should take to minimize our impact Severe drought effects established plants more than the annuals, as seeds often have a very extended lifespan and will germinate when new moisture arrives. Appropriate practice whenever hiking in our State and National parks apply: Stay on trail, don't disturb vegetation, collect wood, or host fires.... (more) |
— | over 8 years ago |