GGRB28H3 Lecture Notes - Lecture 2: Cancer Alley, Externality

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carminebutterfly231

5 Jul 2012

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Negatives effects happening in one place may cause effects to places nearby such. Externality effects are illustrated by the impact on health of those living downwind of a major chemical installation or in cancer alley, the 87-mile section of the. Mississippi river between baton rouge and new orleans, the location of what is arguably the largest concentration of petrochemical industries in the world (rosner and markowitz, 2002), or, more dramatically and over much greater distances, by the. Distance, then, is something which relates one place (or location) to another. It is perhaps the fundamental concept in geography. An obvious and important measure is the physical distance separating one location from another on the earth"s surface.

Related Questions

1. Monochromatic light is light of a single A. Wavelength B. Frequency C. Color D. All of these E. None of these

2. Consider the interference colors seen in a film of gasoline on a wet street. The function of the water is to provide A. Means of spreading the gasoline into a film. B. Means of slowing the rapid evaporation of gasoline C. Chemical bond with the gasoline D. Second reflecting surface E. All of these

3. Interference effects are less visible for thick films because the reflected waves A. From the bottom surface are too dim B. Become too dispersed. C. All end up in phase with each other. D. Are too displaced to interfere

4. Lens manufacturers use refractive index, and radii of curvature of the two surfaces to determine the focal length of a given lens. A. True B. False

5. Power of a lens is directly proportional to its focal length A. True B. False

erinplatypus702

Tiny solid and liquid particles suspended in the atmosphere are called aerosols. Windblown dust, sea salts, volcanic ash, smoke from wildfires, and pollution from factories are all examples of aerosols. Depending upon their size, type, and location, aerosols can either cool the surface, or warm it. They can help clouds to form, or they can inhibit cloud formation. And if inhaled, some aerosols can be harmful to people's health.

These maps show average monthly aerosol amounts around the world based on observations from the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA's Terra satellite. Satellite measurements of aerosols, called aerosol optical thickness, are based on the fact that the particles change the way the atmosphere reflects and absorbs visible and infrared light. An optical thickness of less than 0.1 (palest yellow) indicates a crystal clear sky with maximum visibility, whereas a value of 1 (reddish brown) indicates very hazy conditions.

High aerosol amounts are linked to different process in different places and times of year. High aerosol amounts occur over South America from July through September. This pattern is due to land clearing and agricultural fires that are widespread across the Amazon Basin and Cerrado regions during the dry season. Aerosols have a similar seasonal pattern in Central America (March-May), central and southern Africa (June-September, and Southeast Asia (January-April).

In other cases, however, aerosol concentrations are not related to fires. For example, from May through August each year, aerosol amounts rise dramatically around the Arabian Peninsula and nearby oceans due to dust storms. Elevated aerosol amounts nestle at the foothills of the Himalaya Mountains in northern India in some months, and linger over eastern China for much of the year. These elevated aerosol amounts are due to human-produced air pollution.

What is the most likely source of the high concentration of particulates that appear off the coast of northwestern Africa?

What is the most likely source of the high concentrations of particulates over central Africa and central South America?

What is the most likely source of the high concentrations of particulates over eastern China?

apricottermite85

A uniform electric field having a magnitude of 2x103 N/Cexists between the lower, positively charged, and upper, negativelycharged, plates shown where L=10.0cm and d=2.00cm. If an electronis âlaunchedâ from point âAâ with a velocity of magnitude 6x106 m/sand direction of 45Âº, as indicated:

a) Which, if either, of the plates will the electronstrike?

b) If the electron strikes a plate, at what horizontaldistance to the right of âAâ will the

impact occur?

Notes: Assume the effect of gravity on the electron?sacceleration is negligible and that the electron experiences only2-D motion.

GGRB28H3 Lecture Notes - Lecture 2: Cancer Alley, Externality

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