INFLUENCE ON FORESTS OR TREES
Sulfur dioxide(SO2), Nitrogen oxide(NOx) and Ozone(O3) affect trees in complex, and trees become weak.
Then cold wave or high temperature cause withering trees in a large scale.
As an example of acid rain, there is a "Black Forest" in Germany,
What is acid rain?
First of all, air pollutants are discharged from factories and cars. Then rain water capture them, and it changes itself into acid rain.
Strictly speaking, the pH of acid rain is less than pH 5.6.
Next, I wil tell you about air pollutants in detail. They mainly include two types of pollutants. The first one is
"nitrogen oxide". It is released from cars. This is called "chisso sankabutsu" in Japanese. The other one is "sulfur dioxide". This is emitted from factories and called "nisanka iou" in Japanese.
These pollutants are integrated into rain water, and change into "nitric acid" and "sulfuric acid". These are called "acid rain".
酸性雨に含まれる二酸化硫黄や窒素酸化物が作用して樹木を弱らせる。
そこに、寒波などの厳しい環境が来ると、耐え切れず、立ち枯れと呼ばれる
樹木が立ったまま枯れてしまう現象が起こる。こうなった森は「黒い森」と
呼ばれる。
また、土壌が酸性雨の影響で酸性化してしまい、樹木の根の成長を阻害し衰退
させ枯れてしまうこともある。
How does acid rain kill trees?
Sulfur dioxide and nitrogen oxide which are contained in acid rain weaken trees.
Under such a situation, when cold waves come, trees cannot withstand them.
Trees sometimes die while standing up. Trees killed by acid rain are called “black forests”.
Also, acid rain acidify soil. Such soil distubs the growth of roots and the trees get weakened and die.
日本の対策 日本語では酸性雨対策調査です。酸性雨の影響が問題にされ始めた時から、日本中で雨のｐHが測定されていました。この調査によって、酸性雨の濃度を知ることができました。
I will talk about the solutions of acid rain.
First, Trees can be neutralized with lime
Now, in Sweden, lakes are neutralised with lime. Lime is put not only into lakes but also in the soil of forests.
Second, efforts made by the Japanese government
The Japanese government has conducted the search of acid rain, in Japanese it is "Sanseiu taisaku tyousa". The Japanese government has measured pH scale of pH all over Japan. By this search, we can know acid rain's concentration.
We can do many things for the environment.
For example, stop the tap water when it is not necessary, pull out unused outlets and change the temperature of air conditioners according to the season.
All you need is to pay attention to the little things.
Your kindness saves many lives.
Thank you for listening our presentation goodbye.
作成中pp
森林・樹木への影響
酸性雨や二酸化硫黄、窒素酸化物、オゾンなどが複合的に作用して樹木を弱らせ、寒波や高温などをきっかけに大規模な立ち枯れが起こります。森林被害の代表例にドイツのシュバルツバルト（黒い森）があげられます。
INFLUENCE ON FORESTS OR TREES
Sulfur dioxide(SO2), Nitrogen oxide(NOx) and Ozone(O3) affect trees in complex, and trees become weak.
Then cold wave or high temperature cause withering trees in a large scale.
As an example of acid rain, there is a "Black Forest" in Germany,
酸性雨とは
まず初めの原因として、工場や車から排出される大気汚染物質があります。そして、雨水がそれらを取り込み、酸性雨に変化します。
ちなみに、厳密に言って、酸性雨とはpH5.6以下を指します。
次に大気汚染物質について詳しく話します。1つ目は、車が排出する「Nitrogen oxide」です。これは日本語で「窒素酸化物」と呼ばれています。2つ目は、工場が排出する「Sulfur dioxide」です。これは日本語で「二酸化硫黄」と呼ばれています。
これらの汚染物質が雨水に溶け込み、そして「硝酸」や「硫酸」に変わります。これらが「酸性雨」です。
What is acid rain?
First of all, air pollutants are discharged from factories and cars. Then rain water capture them, and it changes itself into acid rain.
Strictly speaking, the pH of acid rain is less than pH 5.6.
Next, I wil tell you about air pollutants in detail. They mainly include two types of pollutants. The first one is
"nitrogen oxide". It is released from cars. This is called "chisso sankabutsu" in Japanese. The other one is "sulfur dioxide". This is emitted from factories and called "nisanka iou" in Japanese.
These pollutants are integrated into rain water, and change into "nitric acid" and "sulfuric acid". These are called "acid rain".
酸性雨に含まれる二酸化硫黄や窒素酸化物が作用して樹木を弱らせる。
そこに、寒波などの厳しい環境が来ると、耐え切れず、立ち枯れと呼ばれる
樹木が立ったまま枯れてしまう現象が起こる。こうなった森は「黒い森」と
呼ばれる。
また、土壌が酸性雨の影響で酸性化してしまい、樹木の根の成長を阻害し衰退
させ枯れてしまうこともある。
How does acid rain kill trees?
Sulfur dioxide and nitrogen oxide which are contained in acid rain weaken trees.
Under such a situation, when cold waves come, trees cannot withstand them.
Trees sometimes die while standing up. Trees killed by acid rain are called “black forests”.
Also, acid rain acidify soil. Such soil distubs the growth of roots and the trees get weakened and die.
今から酸性雨の対策について紹介します
石灰で中和
今、スウェーデンの湖は石灰で中和されています。石灰は湖だけでなく森林の土壌にも投入されています。
日本の対策
日本語では酸性雨対策調査です。酸性雨の影響が問題にされ始めた時から、日本中で雨のｐHが測定されていました。この調査によって、酸性雨の濃度を知ることができました。
I will talk about the solutions of acid rain.
First, Trees can be neutralized with lime
Now, in Sweden, lakes are neutralised with lime. Lime is put not only into lakes but also in the soil of forests.
Second, efforts made by the Japanese government
The Japanese government has conducted the search of acid rain, in Japanese it is "Sanseiu taisaku tyousa". The Japanese government has measured pH scale of pH all over Japan. By this search, we can know acid rain's concentration.
今から私たちにできることをお話しします。
私たちが環境のためにできることはたくさんあります。
例えば、水道水をこまめに止めたり、使っていないコンセントを抜いたり、季節に合わせてエアコンの設定温度を変えることです。
必要なのは、いつも小さなことに気を配ることです。
あなたの気配りがたくさんの命を救うのです。
私たちのプレゼンテーションを聴いていただきありがとうございました。
I will talk about what we can do.
We can do many things for the environment.
For example, stop the tap water when it is not necessary, pull out unused outlets and change the temperature of air conditioners according to the season.
All you need is to pay attention to the little things.
Your kindness saves many lives.
Thank you for listening our presentation goodbye.
作成中pp