Ruel JC, Mitchell SJ, Dorneir M (2002) A GIS based approach to map wind exposure for windthrow hazard rating. North J Appl For 19:183–187J.C. Ruel,S.J. Mitchell,M. Dornier.A GIS based approach to map wind exposure for windthrow hazard rating. Northern Journal of Applied Forestry,...
Wind Speed, V = 90 mph (Wind Map, Figure 6-1) Bldg. Classification = II (Table 1-1 Occupancy Category) Exposure Category = B (Sect. 6.5.6) Ridge Height, hr = 19.00 ft. (hr >= he) Eave Height, he = 15.00 ft. (he <= hr) ...
The most significant change in the wind speed maps from the previous version is the shift from a single map for an importance factor for buildings and other structures of 1.0 to three separate maps, one for each category of occupancy, thus eliminating the need for importance factors that vary...
Step 2: Determine the basic wind speed, V, for the applicable risk category, see Figure 26.5-1A, B or C Step 3: Determine wind load parameters: Wind directionality factor, K d , see Section 26.6 and Table 26.6-1 Exposure category, see Section 26.7 ...
Exxon Mobil has agreed to pay $600,000 in penalties after approximately 85 migratory birds died of exposure to hydrocarbons at some of its natural gas facilities across the Midwest. The fine amounts to about $7,000 per dead bird. The oil company pleaded guilty to causing the deaths of wate...
it again suggested an almost crazy granularity of levels of risk–now expanded to five–as if to map the risk of sites of ignition, rather than the risks occasioned by fires’ spread; Sacramento, a site where recent fires almost abutted, lies in the useful category of “no fuel,” if ...
Here is a map of our destinations: I’ll admit, Phillip and I were both a little nervous about navigating Memory Rock. Much of our work, education and training this past year (particularly my Sea School and Captain’s License courses) were meant to prepare us for encounters just like ...
Values are nominal design 3-second gust wind speeds in miles per hour (m/s) at 33 ft (10 m) above ground for Exposure C category. Linear interpolation between wind contours is permitted. Islands and coastal areas outside the last contour shall use the last wind speed contour of the coast...
The accurate characterization of near-surface winds is critical to our understanding of past and modern climate. Dust lofted by these winds has the potential to modify surface and atmospheric conditions as well as ocean biogeochemistry. Stony deserts, lo
Nonetheless, Gaussian dispersal performs well for behaviours related to longer-term exposure, such as large-scale olfactory search10. During olfactory search, movement should lead to position a predator where it is most likely to encounter an odour filament. Once detected, the predator should move ...