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One of the most fertile valleys in the Himalayas provides a bumper harvest of mustard, wheat, vegetables and millet thanks to the traditional irrigation channels that bring the water of the Gagas River to the farms in this part of Kumaon in the northern Indian state of Uttarakhand.

“The River Gagas is our main source of drinking water and irrigation,” says 27-year-old Bhupendra Singh Bisht, a resident of Rawalsera village in the valley. Canals (from the river) bring water to the fields and make this (agriculture) possible for us.”

Gagas is one of the myriad spring-fed rivers without which life would be almost impossible in the Himalayas. While large glacier-fed rivers such as the Ganga, Brahmaputra or Indus get all the attention, the relatively small spring-fed rivers in the middle Himalayas are what sustain the local people.

The big rivers form gorges so deep that it is difficult to fetch water from them for everyday use. In most places, those gorges are too steep to farm on the riverbanks.

In contrast, the spring-fed rivers start in the forests at the top of local hills, flow through relatively wider valleys and finally meet the larger glacier-fed rivers. They provide a crucial source of water in the winter when there is very little flow from the frozen glaciers. A maze of irrigation channels (locally called gul) take the water from the rivers to the fields and return the water downstream after irrigation.

“The entire gul system developed in Uttarakhand and Himachal Pradesh is fed by these non-glacial rivers,” says Yogesh Gokhale, a senior fellow, at the forestry and biodiversity division of the New Delhi-based think tank, The Energy and Resources Institute (TERI).

Bhupendra Singh Bisht shows a water channel (gul) that flows from the Gagas river and irrigates farms in the valley [image by: Hridayesh Joshi]

The Gagas River rises from a spring in the forests of Bhatkot in Almora district. It flows around 125 kilometres before merging into the Ramganga at Bhikiasain. During its short journey, as many as 70 rivulets meet the Gagas which caters to the irrigation and household needs of over 100,000 people.

Forest rivers

In the Himalayas, there are many non-glacial rivers such as the Gagas. locally called “forest rivers”, because that is where they originate. Together, they form an intricate web that is the backbone of perennial water supply in the Ganga basin.

“In 1992 when the first (Earth) Summit was organised in Rio de Janeiro, the Himalayan glaciers were termed water towers of the 21st century. I have been saying since then that though glaciers are definitely water towers, the forests are too,” says the doyen of environmental historians Shekhar Pathak.

“In fact, they are double water towers because they not only preserve and maintain water in the ground, but also release water when in winters the glaciers don’t melt, and the snowy rivers don’t give you water. For three to four months t these non-glacial rivers continue to supply water to these perennial rivers.”

Critical for the survival of local communities, these rivers also have religious, mythological and historical importance as well. Gomti and Garudganga meet at the temple town of Baijnath, which was the capital of the Katyuri kings, the medieval ruling clan, between 800 and 1100 CE.

The confluence of Ramganga (West) and Bino at Budha Kedar near Ranikhet in Uttarakhand, Ramganga is one of the largest forest rivers in Uttarakhand [image by: Hridayesh Joshi]

Watershed destruction

Today, all these rivers are in danger. The main threat is deforestation. Ill-planned road construction, house construction and hydropower dams have led to trees being cut down. Add to that encroachment on forests for agriculture, horticulture and pasture. In Uttarakhand, over 45,000 hectares of forest land have been diverted to other use since 1980. Trees in over 60% of these areas have been felled since 2000.

The recently released Hindu Kush Himalayan Monitoring and Assessment Programme, by the Kathmandu-based International Centre for Integrated Mountain Development, stated, "Springs have been particularly affected by the depletion of shallow water table because of reduced infiltration due to crust formation and by increased intensity of rainfall. They are further impacted by rapid socio-economic growth, demographic changes, and infrastructural developments, such as dams and road building.”

It added, ominously, "Due to scarce observation data, the status of most springs in this region is still unknown.”The low regard for gathering such data indicates the lack of policy interest in this critical resource.

The pressure of population has increased rapidly on hill towns of Uttarakhand. India’s census shows that urban population of the state has doubled in the last two decades. The population in urban areas has jumped from 1.63 million (23%) in 2001 to 3.09 million (31%) in 2011.

A view of Pithoragarh, a town growing fast, all unplanned and haphazard [image by: Vipin Gupta]

“Villages are being emptied. People from remote areas are migrating not only to plains but also to hill towns. Besides big towns like Pithoragarh, small settlements like Didihaat and Berinaag are also getting crowded. The trend has sharply increased in the last 20 years.” says 39-year-old Komal Singh Mehta, who lives in Pithoragarh.

This migration has resulted in rapid construction for housing and business. Forests have been cut to make space for buildings, including for hotels and resorts to boost tourism. All this has taken place in the absence of any planning and ignoring any laws and regulations. River catchments are being destroyed and the hydrology of the region has been disturbed.

“We have seen hill towns like Almora growing as much as five times in the last fifty years. All the construction is done over the places where there used to be wells. This has affected the catchment,” says G.C.S. Negi, a scientist with the G.B. Pant National Institute of Himalayan Environment and Sustainable Development in Almora.

Environmental norms and laws are frequently violated during road construction across the mountains. Trees are cut without any clearance from the forest department and debris thrown into the rivers below. The process has significantly increased the number of landslides in the region.

River Gomti meets another important non-glacial river Garudganga in the historic town of Baijnath in Uttarakhand [image by: Hridayesh Joshi]

“Unfortunately, in recent times indiscriminate growth of projects have compromised the future of these smaller streams,” says Manoj Mishra, a retired official of the Indian Forest Service and now an activist seeking to revive the Yamuna River.

Depleting groundwater

The cutting down of forests affects percolation of water underground, drying up the water channels (known as nallas and gadheras in Kumaon) that feed the non-glacial rivers. Local resident Ram Singh Bhandari explained the main reasons for the drying up. “The rainfall isn’t as much as it used to be 25 years back. Another reason is the method adopted for the drinking water supply schemes by (government) departments. They have dug borewells and extracted all the groundwater.”

Such water channels were once alive and fed non-glacial rivers [image by: Hridayesh Joshi]

All over Kumaon hand pumps can be seen along the roadside and in the villages. “These hand pumps extract ground water, so naulas (shallow wells) have dried up. These (wells) are very important for groundwater recharge that keeps the springs alive,” says Charu Tiwari, who has been part of several environmental movements in Uttarakhand.

“The correct way to provide water is make supply line from the rivers (to the villages) but the authorities have found it easier to dig borewells says Tiwari pointing to the famous Dosad ka Gadhera (a water channel) in Bagwalipokhar which is dry now. “There was a time some 25 years ago when this Dosad ka Gadhera had so much water we couldn’t cross it. But you can see what is left now.

This article was first published by indiaclimatedialogue.net.

One comment

  1. Виктор Родин |

    Quote: "Spring rivers in the Indian Himalayas dry up.”
    "These rivers support life in the mountains and supply critical water for the major rivers in the Ganges Basin.”
    I am a working ecologist. If I am called to work in India now, I will restore all the rivers and reservoirs in the Ganges basin in four years: In 2019 and in 2020 – at 20% of the level, in 2021 and 2022 – at 30%.
    Later, or in parallel, I will restore all the rivers of India. I will restore all productive lands and pastures, and I will give part of the water to new forests.
    Together with the working teams from Ukraine and India, a canal will be built across the Tar desert, parallel to the Indus River, and I will pass water through it. It will be six thousand (three thousand on each side of the canal), square kilometers of irrigated land for new farmers.
    Here, on new, not working until now, lands, it will be possible to produce and sell: crystal clear water, air, and organic food: For a new – elite generation of bunkers; And to ensure healthy nutrition during long flights of astronauts.
    Sincerely, environmental programs developer, Victor Rodin. Ukraine. Khmelnitsky NPP. Tel. Kiev Star: 961336344. Mail: dorosydos@gmail.com, rodinviktor@lenta.ru
    — — —
    Цитата: «Весенние реки в Индийских Гималаях пересыхают».
    «Эти реки поддерживают жизнь в горах и поставляют критически необходимую воду для крупных рек в бассейне Ганги».
    Я – действующий эколог. Если меня вызовут на работу в Индию сейчас – я восстановлю все реки и водоёмы в бассейне Ганги за четыре года: В 2019 и в 2020 годах – по 20% уровня, в 2021 и 2022 – по 30%.
    Позже, или параллельно, я восстановлю все реки Индии. Я восстановлю все продуктивные земли и пастбища, и часть воды отдам под новые леса.
    Совместно с рабочими бригадами из Украины и Индии, по пустыне Тар, параллельно реке Инд, будет построен канал, и я пропущу по нему воду. Это будет шесть тысяч (по три тысячи с каждой стороны канала), квадратных километров орошаемых земель для новых фермеров.
    Здесь же, на новых, не работающих доселе землях, можно будет производить, и продавать: кристально чистую воду, воздух, и экологически чистые продукты питания: Для нового – элитного поколения бункеров; И для обеспечения здорового питания при длительных полётах астронавтов.

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