Lohi Lake Clearwater
By Nic, Mohammad and Tony
The pH of Lakes Near Sudbury
Analyze and Interpret
1. a)Lake Clearwater (pH 4.30) acidic.
b) Lake Hannah (pH 4.31) acidic.
c) Lake Lohi (pH 4.45) acidic.
2. Lime stone dust was added to Lohi lake in 1975. I knew this because the pH level increased from 4.45 in 1973, to 6.12 in 1975.
3. When they added the crushed limestone around Lake Hannah, the pH of the lake changed from being acidic to basic.
4. The Clearwater lake was acidic because the pH level ended up being 6.6 which means the water was still acidic. It stayed 6.6 which started killing the habitat because a base (SO2) was added to neutralize the lake.
Conclude and Communicate
5. The least effective action taken to reduce acidity is when limestone dust was added to Lohi Lake once to neutralize the acid. At the beginning it reduced the acidity of the lake, and became a pH of 6.12. Then the lake began to become more acidic again in following years. It started to reduce the acidity of the lake continuously from 1989. In 2005 the pH was 6.48, but in 2006 the pH became more acidic, than all the other lakes. All the other lakes reduced their acidity at the end, except Lohi Lake. This is the reason why the least effective action taken to reduce acidity is when limestone dust was added to Lohi Lake once to neutralize the acid. …show more content…
The reason is because the lake became the most basic out of all of them, and that is what they wanted. I think the approach for Lake Hannah was cost effective. The reason I think this is because, they wanted the lake to be basic, and by using approaches to make it basic it worked very well, and that means they used their money wisely, so it is
The pH of Lakes Near Sudbury
Analyze and Interpret
1. a)Lake Clearwater (pH 4.30) acidic.
b) Lake Hannah (pH 4.31) acidic.
c) Lake Lohi (pH 4.45) acidic.
2. Lime stone dust was added to Lohi lake in 1975. I knew this because the pH level increased from 4.45 in 1973, to 6.12 in 1975.
3. When they added the crushed limestone around Lake Hannah, the pH of the lake changed from being acidic to basic.
4. The Clearwater lake was acidic because the pH level ended up being 6.6 which means the water was still acidic. It stayed 6.6 which started killing the habitat because a base (SO2) was added to neutralize the lake.
Conclude and Communicate
5. The least effective action taken to reduce acidity is when limestone dust was added to Lohi Lake once to neutralize the acid. At the beginning it reduced the acidity of the lake, and became a pH of 6.12. Then the lake began to become more acidic again in following years. It started to reduce the acidity of the lake continuously from 1989. In 2005 the pH was 6.48, but in 2006 the pH became more acidic, than all the other lakes. All the other lakes reduced their acidity at the end, except Lohi Lake. This is the reason why the least effective action taken to reduce acidity is when limestone dust was added to Lohi Lake once to neutralize the acid. …show more content…
The reason is because the lake became the most basic out of all of them, and that is what they wanted. I think the approach for Lake Hannah was cost effective. The reason I think this is because, they wanted the lake to be basic, and by using approaches to make it basic it worked very well, and that means they used their money wisely, so it is