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  1. Wet and dry seasons - what are they and how do they form?

    While asking questions on Worldbuilding, I keep hearing about wet/dry seasons. Obviously, one has rain and the other doesn't, and I've gathered that they occur with regularity on an annual …

  2. What causes the absence of rainfall during dry seasons?

    Dec 13, 2023 · However, during hot/dry seasons, evaporation and transpiration occurs continuously without any sign of rainfall. What causes the absence of rainfall during dry seasons?

  3. Are there locations on Earth that only have one season?

    Jan 18, 2019 · The region on Earth that display the smallest contrast between seasons is that in the vicinity of the Equator, because of the smaller changes in solar irradiation. Therefore, …

  4. meteorology - Why does a dry season month have less than 60 …

    Feb 6, 2025 · According to the Koppen climate classification system, if a month of a tropical climate has less than 60 mm (2.4 inches) of rain then it counts as a dry month. Whereas, a …

  5. Why does Panama have a dry season? - Earth Science Stack …

    However, the country also has a "dry season" from roughly December to March, and I haven't been able to find information on why that happens, given that the trade winds are supposed to …

  6. How do rivers last so long in dry weather? - Earth Science Stack …

    Mar 10, 2017 · Why, after a long period of dry weather, are many rivers still flowing? I live near a river and it seems that it takes over a week of dry weather before there's any noticeable drop …

  7. Lack of annual slash-and-burn in North America?

    In many areas of South America, Africa, India and Southeast Asia, "slash-and-burn" agriculture is employed whereby every year the stubble from the previous year is burned along with other …

  8. SPI (Standardized Precipitation Index) for 40 years seasonal mean

    It would not make sense to calculate a monthly SPI from a 12-month mean divided by 12 (to give you a mean per month on an annual basis) In seasonal wet-dry climates you would have …

  9. How do mountain springs get their water?

    May 29, 2020 · Not far from me is Crazy Spring. It's at about 4,000 feet and the top of the mountain ridge is only a few hundred feet higher. Out of that spring comes a sizable stream of …

  10. How to recharge ground water directly from river water

    Jul 30, 2019 · You can't really solve your problem by recharging the groundwater because a river is just where groundwater comes above the surface. But you can build a system to store …