Download Applied Climatology. A Study of Atmospheric Resources by John E. Hobbs PDF

By John E. Hobbs

Show description

Read or Download Applied Climatology. A Study of Atmospheric Resources PDF

Best earth sciences books

Geological Field Techniques

The certainty of Earth procedures and environments over geological time is very established upon either the event which could in simple terms be won via doing fieldwork, and the gathering of trustworthy information and acceptable samples within the box. This textbook explains the most facts accumulating innovations utilized by geologists within the box and the explanations for those, with emphasis all through on easy methods to make powerful box observations and checklist those in appropriate codecs.

Porous Media. Fluid Transport and Pore Structure

This booklet examines the connection among shipping houses and pore constitution of porous fabric. versions of pore constitution are provided with a dialogue of the way such types can be utilized to foretell the shipping houses of porous media

Natural Gas Seepage: The Earth’s Hydrocarbon Degassing

The publication deals a contemporary, finished, and holistic view of usual fuel seepage, outlined because the obvious or invisible movement of gaseous hydrocarbons from subsurface resources to Earth’s floor. starting with definitions, classifications for onshore and offshore seepage, and basics on fuel migration mechanisms, the publication experiences the most recent findings for the worldwide distribution of gasoline seepage and describes detection tools.

Extra resources for Applied Climatology. A Study of Atmospheric Resources

Example text

4 HAZARDS AND EXTREMES Variability is an inherent characteristic of climate. The discussion so far has centred upon possible variability over periods of many years, with changes of a gradual rather than violent nature. Even at the level of seasonal or diurnal variability, the changes tend to be within the range to which man can adjust relatively easily, although climatic change is probably accompanied by a different set of extreme and hazardous conditions, which may make adjustment difficult.

Data from thirty Austrahan stations from 1957 to 1973 suggest that steadily decreasing temperatures are not a feature. Northern hemisphere evidence points to the largest cooling since 1940 having occurred in high latitudes, but observations from seven stations in Antarctica reveal no comparable downward trend (Fig. 3). Australia and New Zealand may be anomalous in the context of the southern hemisphere as a whole. Streten (1977) reported that over the period 1958 to 1975 there was consider­ ably more warming, or less cooling, in the Australian and New Zealand sector than elsewhere, contrary to trends in the rest of the southern hemisphere.

The average freon molecule probably takes several decades to reach above 25 km in the stratosphere, where the breakdown occurs. Fluorocarbons themselves are unusually chemically inert, so unlike many pollutants they are not quickly broken down or removed. It is the products of the eventual breakdown that take part in ozone-destroying reactions, so it is likely to be several decades before the fluorocarbons released now have any impact on ozone levels. Stratospheric ozone concentrations fluctuate with natural changes in the rates of con­ tinuous production and destruction.

Download PDF sample

Rated 4.34 of 5 – based on 31 votes