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Balian River

Extracts from this document...

Introduction

GEOGRAPHY COURSEWORK LOCATION : BALIAN RIVER DATE OF STUDY : 8TH of SEPTEMBER & 7TH of NOVEMBER BY BELLA Contents 1. Purpose of investigation. 2. Hypothesis. 3. How rivers work. 4. Location of area of study 5. Methods and techniques 6. Results 7. Analysis 8. Conclusion PURPOSE OF THE INVESTIGATION To investigate the effect of the river processes which are evident in the Balian River Catchment. And, to investigate the effects of climate on landform development. Hypothesis In Balian river, there might be abrasion, solution, and transportation. There will be the upper course, middle course, and lower course. The river starts from the source which is on the upper course, and flows way down through the middle course and the lower course, and ends up on the mouth below the lower course. Rivers always flow from highland area to the lowland area. At the source, trees and other plants might be found besides the source. The source must be at the mountains, so the weather is a bit cool, and fresh. And the speed of the water flow in the source might not fast, or maybe calm. In the upper course of the river, there might be some steep slopes and the river channel is quite narrow. Because of the erosion, on the upper course we might find some steep V-shaped valleys, rapids, and even waterfalls. ...read more.

Middle

METHODS AND TECHNIQUES We measured the length, depth, speed, and the width of the river, both at the source and the mouth. We took samples from the estuary and the source. And we measured the temperature in the source and mouth. We did the measurements per groups. There are five groups, each groups had to stick a pole in different sections besides the river banks. To measure the length, one person from each groups had to cross the river to the other side of the river banks with a measuring tape and the other person reads the measurements from the other side. After we finished measuring the length, we started to measure the depth. At least two person from each groups has to stand in the river with a stick and a ruler. We stick the pole stick into the river bottom and measure it from above the water, we did this in every one meter or two of the river. We measured the speed of the river with a stick. We throe the stick to the river, as the stick flows from the first point to the fifth point we record the time with a stopwatch. We did this several times to get the average speed. We measured the temperature with thermometer. And the teacher took some samples of the water. RESULTS These are the measurement results. ...read more.

Conclusion

There were small black fishes and tadpoles. Compared to the first field trip, the depth of the mouth on the second field trip is deeper. The second trip is in the raining season. This means that because of the raining season the water level is increasing. The trees and plants around the watershed proved that my hypothesis is true. And also the rocks are carried down by the river. There are large rocks at the source, it located in the mountains and the speed is not very fast,. There are steep slopes and we found that the land erodes because of the river. Because of the raining season, the mouth gets bigger and the volume increases, it affects the flow of the river, it gets faster. Mouth It seems like the estuary is bigger. The flow is faster than before. CONCLUSION I found out that the river volume will increases during the raining season. Because of the increased volume the flow of the river is faster. And it erodes rapidly. The river affects the surrounding. Because of the flow the land erodes. The water in the river are mostly fresh, especially at the source, we can use it to wash clothes. But it can make a water pollution in the river because of the trashes and stuff. Small rocks are formed because of the erosion from the large rocks. The water breaks down the large rocks into smaller rocks. The river affects human, plants, and animals. We can not live without it Note : I didn't take photos during the fieldtrip ...read more.

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