what makes an oasis an oasis?
water
please help..i need more information and i don't know where to look
Check this site.
http://en.wikipedia.org/wiki/Oasis
what four countries posses the carribean sea?
An oasis is a geographical feature that refers to a fertile area in a desert or arid region, typically characterized by the presence of water, vegetation, and varying degrees of shade. Oases are considered natural "oases" of life in an otherwise inhospitable environment.
The formation of an oasis involves several factors:
1. Water source: The key element that distinguishes an oasis is the presence of water. Oases are typically formed by underground water sources such as springs, aquifers, or even seasonal rains. These water sources provide a consistent and reliable supply of water in an otherwise dry environment.
2. Geographical location: Oases are often located in depressions or low-lying areas where water can collect and accumulate. These locations can be formed due to geological factors such as cracked or porous rocks that allow water to seep through and create an underground water table.
3. Vegetation: The availability of water allows plants to grow in oases, creating a green and lush environment. The vegetation in oases can vary from small shrubs and grasses to larger trees, depending on the amount and quality of water.
4. Microclimate: The presence of water and vegetation in an oasis can create a microclimate, distinct from the surrounding desert. Oases can have slightly lower temperatures due to the evaporation of water, providing a more pleasant and hospitable environment for both flora and fauna.
To identify an oasis, one can look for the following signs:
1. Vegetation: Look for patches of greenery, such as trees, bushes, or grasses, which stand out against the arid backdrop of the surrounding desert.
2. Animal life: Oases are often home to a diverse range of animal species, including birds, insects, and small mammals. Keep an eye out for signs of animal activity or listen for their sounds.
3. Presence of water: Look for signs of water, such as small ponds, lakes, or wells. Observing animal or human activity around water sources is usually a good indicator of an oasis.
4. Local knowledge or maps: Ask local residents or consult maps that highlight the presence of oases. Local knowledge is often invaluable in identifying well-known or hidden oases in a desert region.
Remember, while the presence of water and vegetation are essential elements, the size and extent of an oasis can vary greatly, ranging from small secluded spots to larger, more prominent oases.