Open Access
Tableau 2
Identification des climats semi-arides (BS) et arides (BW), selon la classification de W. Köppen. Identification of semi-arid (BS) and arid (BW) climates, according to the W. Köppen’s classification.
| T°C moyenne annuelle | Pmm annuelles : seuil « BS » | Pmm annuelles : seuil « BW » |
|---|---|---|
| 30 | 800 | 400 |
| 25 | 700 | 350 |
| 20 | 600 | 300 |
| 15 | 500 | 250 |
| 10 | 400 | 200 |
| 5 | 300 | 150 |
| 0 | 200 | 100 |
| -5 | 100 | 50 |
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