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GEO Brasil - UNEP

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the state of environmental disasters<br />

the state of the environment in Brazil<br />

5 Regional Scenario of Main Disasters<br />

The national scenario of disasters can be reflected by the<br />

events of the past two years – 2000-2001 – in the five<br />

politico-geographical macro-regions: North, Northeast,<br />

MidWest, Southeast and South The fact that all regions<br />

have an inherent pattern of disasters deserves<br />

consideration The main natural disasters are associated<br />

to weather phenomena<br />

The Brazilian territory has a wide weather diversification<br />

due to several factors, such as its geographical<br />

configuration, maritime or continental conditions, altitude,<br />

land size, both relative to the latitude (5°16’20’’N a 33°44’32’’S)<br />

and to the longitude (73°59’32’’E a 34°47’30’’W), landscape<br />

and the dynamics of air-masses The latter is a key factor as<br />

it exerts direct influence on temperature and rainfalls The<br />

air masses that have a more direct impact on Brazil are:<br />

Equatorial (Continental and Atlantic), Tropical (Atlantic and<br />

Continental) and Polar Atlantic, which account for the<br />

weather variations in the individual regions<br />

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