除雪後の「雪」 深刻な「その後」 北海道ならでは“処理方法”…“マンゴー栽培”も【Jの追跡】(2023年2月19日)
Summary
TLDRThe video script discusses the annual challenge faced by snow-prone regions, particularly focusing on Sapporo, a city known for its heavy snowfall. The primary issue is what to do with the massive amounts of snow cleared from roads during winter. The script highlights the problems caused by the lack of disposal sites for snow, leading to traffic accidents and logistical issues. Innovative solutions are explored, such as using the collected snow for cooling purposes in a mango cultivation project in Hokkaido, which turns a seasonal problem into a profitable venture by growing mangoes during the winter. Additionally, the script covers the city's efforts to manage the snow, including the use of specialized machinery and the construction of large snow storage facilities. The narrative also touches on the environmental impact of improperly disposing of snow and the economic and logistical challenges of snow removal, emphasizing the need for sustainable and creative solutions to this recurring issue.
Takeaways
- 🚜 The script discusses the use of snowplows for snow removal in snowy regions, highlighting the annual challenge of managing the large amounts of snow collected during snow removal operations.
- ❄️ In snow-prone areas, there is a significant issue with what to do with the snow that has been cleared from the roads, as there is often no place to dispose of it, leading to various problems.
- 🚗 The accumulation of snow can lead to traffic accidents and disasters, as the snow piled on the sides of the road can obstruct visibility and cause traffic congestion.
- 🏭 The script mentions an innovative approach in Hokkaido, where fruits, specifically mangoes, are being cultivated using the snow as a resource, demonstrating a potential solution to the problem of snow disposal.
- 🌞 The mango cultivation process, named "Hakugin no Taiyou" (Silver Sun), utilizes the cold environment provided by the winter snow to create a suitable growing condition for mangoes, which are typically a tropical fruit.
- 💧 The process of cultivating mangoes in Hokkaido involves using the collected snow to cool the greenhouses during the summer, and then using geothermal heat during the winter to maintain the temperature needed for the mangoes to grow.
- 🚚 The city of Sapporo has to manage a large volume of snow, with trucks transporting the snow to designated snow disposal sites, known as "sekibashira," or snow accumulation sites.
- 🏔️ These snow accumulation sites can store up to 250,000 tons of snow on a site that spans approximately 10,000 square meters, with the number of such sites increasing due to the heavy snowfall in recent years.
- 🚧 The disposal of snow is a significant logistical and financial challenge, with the city having to pay for the transportation and disposal of the snow, which is why finding ways to utilize the snow is of great interest.
- 🚯 The script warns against disposing of snow into rivers or waterways, as this can cause blockages and flooding, as seen in the case of an old sake brewery that was flooded due to excessive snowmelt.
- 🏗️ The city uses a variety of methods to manage the snow, including the use of specialized machinery to move and pile the snow, as well as facilities that can melt the snow using treated wastewater at a temperature of around 13°C.
Q & A
What is the main issue faced by snowplow services in snow countries every year?
-The main issue faced by snowplow services in snow countries every year is how to handle and dispose of the large amounts of snow collected during snow removal operations.
What kind of problems can be caused by the snow that has been piled up along the roads after snow removal?
-The piled-up snow along the roads can create snow walls that may lead to traffic accidents, hinder visibility at intersections, cause traffic congestion, and disrupt logistics.
What is the surprising sight that was discovered on the front line of countermeasures against snow disposal issues?
-The surprising sight is the cultivation of mangoes in Hokkaido, using the collected snow as a resource, which is an unexpected use of snow in a cold region.
Why is it not advisable to dump the collected snow into rivers?
-Dumping snow into rivers is not advisable because it can cause blockages, leading to water overflow and potential flooding, as seen in the case of an old sake brewery that suffered water damage due to this practice.
How is the collected snow from snow removal operations transported and stored in Sapporo city?
-The collected snow is transported by trucks to various locations within Sapporo city. Some of it is taken to a large underground facility where it is melted using the heat from treated wastewater, while the majority is taken to snow accumulation sites, essentially snow disposal areas.
What is the capacity of the snow accumulation sites in Sapporo city?
-The snow accumulation sites, also known as snow disposal areas, can accommodate up to 250,000 tons of snow on a site that covers an area of about 100,000 square meters.
How has the use of snow been innovatively utilized in agriculture in Hokkaido?
-In Hokkaido, snow has been used to cultivate mangoes by employing the 'Shirogane no Taiyou' (Silver Sun) method, which involves using the cold from the snow to cool down greenhouses during the summer, allowing mangoes to grow in a region not typically known for tropical fruit production.
What is the economic benefit of growing mangoes in Hokkaido during winter?
-The economic benefit of growing mangoes in Hokkaido during winter is significant, as the mangoes can fetch high prices due to their scarcity in the winter season, with each fruit potentially being worth over 30,000 yen.
What are the challenges associated with snow disposal in Sapporo city?
-The challenges associated with snow disposal in Sapporo city include the high costs and labor involved, the limited space for snow accumulation sites, and the environmental impact of melting large volumes of snow.
How has the use of snow been optimized in the cultivation of mangoes in Hokkaido?
-The use of snow has been optimized by using it to cool down greenhouses during the summer, which is a critical period for mango cultivation. In winter, when warmth is needed for the mangoes to ripen, hot springs are utilized to maintain the temperature, reducing energy costs.
What is the significance of the 'Shirogane no Taiyou' method in mango cultivation in Hokkaido?
-The 'Shirogane no Taiyou' method is significant as it allows for the cultivation of mangoes in Hokkaido during winter, a time when they cannot be harvested in traditional mango-producing regions like Miyazaki Prefecture, thus creating a unique market for Hokkaido-grown mangoes.
Outlines
🚜 Snow Removal Operations and Challenges
This paragraph discusses the annual snow removal operations in snowy regions and the challenges associated with disposing of the collected snow. It highlights the issues caused by snow, such as traffic accidents and disasters, and the difficulties faced by residents and authorities in finding a place to dispose of the snow. The video also covers the surprising sight of a fruit being grown in Hokkaido, which is typically not associated with fruit cultivation due to its cold climate.
🚨 Snow Disposal Hazards and Solutions
The second paragraph focuses on the hazards of improperly disposing of snow, such as water damage to a historic sake brewery due to water overflow from excessive snow. It mentions the city's request for residents not to dump snow into rivers to prevent water overflow. The paragraph then describes the use of a mechanical device called a rotary car to collect and transport the snow to a designated disposal site. It also introduces a large facility where snow is melted using treated wastewater at a temperature of around 13°C, which is a small part of the overall snow disposal process. Finally, it reveals the existence of a massive snow accumulation site, capable of holding up to 250,000 tons of snow, which has expanded due to the previous year's heavy snowfall.
🌞 Innovative Use of Snow for Mango Cultivation
The third paragraph introduces an innovative approach to using snow in agriculture. It tells the story of a farmhouse in Otofuke Town, located in the center of the Tokachi plain in Hokkaido, where mangoes are being cultivated using the snow as a cooling resource. The process, named 'Platinum Sun,' allows for the cultivation and winter shipment of mangoes, which is surprising given the region's cold climate. The snow is used to cool the greenhouse during the summer, while hot springs are used to maintain a warm temperature during the winter harvest season, resulting in significant cost savings. This innovative use of snow has made it possible to cultivate and ship mangoes during the winter, when traditional growing regions like Miyazaki Prefecture cannot.
Mindmap
Keywords
💡Snow removal
💡Snow disposal
💡Snow accumulation site
💡Snow melting facility
💡Snow farming
💡Cold storage farming
💡Environmental impact
💡Sustainable snow management
💡Logistics
💡Innovative solutions
Highlights
Snow removal operations using snowplows are being conducted.
A major annual concern in snowy regions is the disposal of accumulated snow.
Residents of Sapporo face challenges due to continuously falling snow since January 2.
Sapporo, a city known for receiving up to 5 meters of snow, requires extensive snow removal to protect daily life.
Accidents and severe congestion occur due to snow walls formed along roads.
Visibility issues at intersections lead to dangerous driving conditions.
A narrow escape from a collision was captured in Niigata due to obscured sight lines caused by snow.
Authorities urge against dumping snow into rivers to prevent blockages and flooding.
A historical sake brewery flooded due to snow being dumped into a water channel, overwhelming it.
Snow is collected and transported to various locations by private contractors in Sapporo.
A giant underground facility melts snow using sewer treatment water at approximately 13°C.
Most snow ends up in vast snow storage sites, which can hold up to 2.5 million tons.
Snow is utilized for cooling greenhouses in Tokachi, enabling off-season mango cultivation.
The innovative project named 'Hakugin no Taiyo' (Silver Sun) uses snow as a cooling agent to grow mangoes.
Mangoes grown in Hokkaido during winter can fetch more than 30,000 yen each due to their rarity and timing.
Transcripts
除雪車による
除雪作業が行われています
太田行きを道路脇へと運んでいます
雪国で毎年大きな悩みとなっているのが
除雪で集めた雪をどう処理するかという
問題
行き場のない雪によってこんなトラブルも
[音楽]
大きな事故や災害に
なんとかこの問題を
解決できないのか
対策の最前線を取材すると
驚きの光景が
さらに北海道でまさかのフルーツが
うちは
作ってます
雪で作るマンゴウっていっ
たい大きな問題となっている
除雪で集めた雪のその後を
追跡しました
3年ぶりに会場を設けて開催された
札幌行きまつり
[音楽]
その一方で
札幌市の住民は降り積もる
雪に頭を抱えていました
1月2日からずっと振りっぱなし
今日この回だからまだいいんだけどこれで
10cmが20cmぐらい降ったからね
大変なとも出ないよ
冬で5メートル近くもの雪が降る世界有数
の豪雪都市
札幌
生活を守るには
除雪作業が欠かせませんところが
道路脇に行こうだんだんだんだん
出ていくんですよねやっぱり捨て場所が
ないから子供の方にちょっと投げてしまう
除雪によって道の両側には
雪の壁が形成されてしまっているの
これは去年記録的な大雪に見舞われた
札幌市内の様子
です除雪された後の雪が車道に大きく
せり出し
至る所で
渋滞が発生
物流が滞るなど深刻な事態となりました
そしてこの
雪の壁には交通事故につながりかねない
危険も
ここから大きい交差点に出るときには
すごい見づらいんですよこの位置だと
もう目隠し状態で鼻を出して鼻を出して
調整しながらほんと車来ないなって思った
時に出ていくみたいな
これは新潟県内で撮影された
恐怖の瞬間
雪道を進んでいると
[音楽]
交差点で
雪の影から突如現れた青い車
撮影者は
慌ててブレーキを踏み間一髪
衝突は免れました
まさか横から出てくると思わなかったので
まあこっちのハンドルを切って
ギリギリ5センチぐらい車が出てくるまで
はもう全然見えなかったですね
危険な雪の壁にならないように別の場所に
捨ててはいけないのでしょうか
札幌市内ではこんな注意書きが
川に雪を捨てないでください」って一体
なぜ
これは2年前100年以上前から続く
老舗酒造会社の酒蔵が水浸しとなった映像
です実はその
原因が
作業に雪が降りすぎたせいで
雪を一度に入れすぎたせいもあるのかも
しれないんですがお水が溢れて
川のようになってて
酒蔵の方にも入ってきたって感じですね
大量の雪を用水路に捨てたことによって
詰まってしまい水が溢れたとみられてい
ます
けども水がちょろちょろ入ってきたなと
思ったらまああっという間にちょっと
量がどんどん増えてきて
慌てましたね
川にはですねあの雪を入れるとですね
皮が
詰まってしまった雪でですね
溢れてたまに実際に水が溢れた事故も実際
起きておりまして代入は雪を入れないで
いただきたいということでお願いしており
ます
水があふれる危険があるため道路脇などに
集めるしかないということとはいえ
放っておけば
危険な雪の壁にその後この雪はどうなるの
でしょうか
ロータリー車と呼ばれる機械を使ってです
ね
除雪で端に寄せられた雪をですね今
削り取ってダンプの荷台に積み込んでい
ます
たまった雪は
札幌市の委託を受けた民間業者が別の場所
へと運びます
市の中心部にある建物に次から次へと
トラックがやってきて
雪を捨てていきます
穴の中へと吸い込まれる雪一体どこへ
建物内部の地下施設に案内してもらうと
そこには
すごい大きな空間が広がってます
地下には開けた空間そして
巨大な滑り台のようなものが
すると
猛スピードで雪が滑り落ち
勢いよく流されていきます
俺は一体
道路から運び出した雪をですねランプで
持ってきましてそれをこちらの施設で
溶かしている施設になります下水の処理水
を利用してですね
温度は13°cぐらいございますのでその
熱で
雪を溶かしているものになります近くの
施設に持っていくことでこちらいただき
ますので
しかしこのような処理ができる雪はほんの
一部だと言います
では大部分の雪はどこへトラックの後を
追ってみるとたどり着いたのは
巨大な雪山この場所の正体とは
なんかトラックがたくさん
続々とトラックが入っていきますね
トラックで長蛇の列ができてます
荷台には雪がてんこ盛りですね
トラックいっぱい入ってきてましたけど
ここは何なんですかここは
札幌市中の
雪を搬入する
雪堆積場になります
これ高さどのぐらいあるんですか今の
ところで20から25m程度になります
雪山の正体は体積場と呼ばれるいわば
雪捨て場です
10万M2という広大な敷地に最大
250万トンもの雪を
溜めることができるといいます
こうした体積場はこれまで
札幌市内に75か所ありましたが
去年の大雪を受け今年は80カ所に拡大
雪の山岳31日に終わりましてだいたい7
月の半ばぐらいまで
雪が溶け残っているような感じですね
やはり
排泄というのはなかなかの作業も手間も
かかるしお金もかかる作業になるものです
から
頻繁に行うことは実際できないものです
から
処理するっていうのは非常に大きな問題で
はあります
右折で集めた雪を処理するには多くの費用
と労力が
なんとかこの雪を活用する方法はないのか
画期的な取り組みも始まっています
[音楽]
北海道
十勝平野の中心に位置する音更町
農家のハウス内で栽培されていたのは
なんと
うちは南国の孫を作ってます
これマンゴー北海道でマンゴーを作ってる
んです
冬に降った雪を
エネルギーとして使って
その名も白銀の太陽
北海道で栽培されしかも
冬に出荷というのも
驚きですがそれを可能にしているのが
雪だというのです一体どういうこと
マンゴーの木が大きな実をつけるには一定
期間
涼しい環境に置くことが必要です
真冬の12月に収穫するには
夏の間ハウスを冷やさなければいけません
ここが
雪氷湖って言い出して11Tダンプで約
880台の雪が入る施設ですハウスの中を
冷やすっていう方法のために
雪を
越えて集めて
除雪された雪で水を冷やし
循環させることで
夏のハウス内を
涼しくしていたのです
逆に
温かさが必要な
収穫時期の冬は
湧き出る温泉を利用することで26度以上
をキープ光熱
費がほとんどかからないためコスト削減に
もつながっています
雪を利用することでマンゴーの一大産地
宮崎県が収穫できない真冬に出荷すること
を可能にしたのです
真冬に食べられるマンゴーは
価値を呼び一個3万円以上の値がつくこと
も
わざわざ
捨てなきゃならないっていうその捨てると
いうことをどうやって
活用するか
雪国らしいなんか対策っていうことをとる
ことの方が先決じゃないから僕は思うん
ですよね
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