1 The water table forms the top of the zone of saturation, where pore spaces in sediment or rock are completely filled with water. 2  Aquifers are underground areas of sediment or rock that hold groundwater. 3  In steep areas, where groundwater intersects the ground surface, a spring or seep can form.
There's a word for what you're asking for-- onomatopoeia. Many times editors would rather you not use the sounds, but describe it, unless you're writing a PB or even early chapter book. I wrote about a train in one of my short stories. As a train gets closer, it makes a rumbling sound. As it leaves the station, it makes a steadily increasing chugging sound. The whistle sounds like a forlorn call in the night. The brakes hiss and screech when the train slows down to a stop. If you don't have a train nearby to listen to, go online and do a search.
And it's getting nearer, soon it will all be true. Oh peace train sounding louder. Glide on the peace train. Come on now peace train. Now I've been crying lately, thinking about the world as it is. Why must we go on hating, why can't we live in bliss. Cause out on the edge of darkness, there rides a peace train. Oh peace train take this country, come take me home again. Now I've been smiling lately, thinking about the good things to come. And I believe it could be, something good has begun. Oh peace train sounding louder. Glide on the peace train.