Oceans and Coasts

This working paper by the University of Bonn attempts to give a spatial and temporal overview of water management in India. It traces how people and the successive regimes made choices across space and time from a wide range of water control and distribution technologies. The paper divides the water management in India into four periods –

• the traditional system of water management before colonial times;
• response from the colonial rulers to manage the complex socio-ecological system;
• large scale surface water development after independence; and
• finally, the small-scale community and market-led revolution.

This report prepared by the Indian Network for Climate Change Assessment (INCCA) provides an assessment of impact of climate change in 2030s on four key sectors of the Indian economy, namely agriculture, water, natural ecosystems & biodiversity and health in four climate sensitive regions of India, namely the Himalayan region, the Western Ghats, the Coastal Area and the North-East Region. This is the for the first time that such a comprehensive, long term assessment has been undertaken based on rigorous scientific analysis for the 2030s (all previous assessments were for the 2070s and beyond). 

The report by Institute for Defence Studies and Analyses is premised on the fact that India is facing a serious water resource problem and is expected to become 'water stressed' by 2025 and 'water scarce' by 2050. It raises fundamental questions about the forces driving water demand and the political dynamics of riparian relations, both in terms of hindrances and opportunities, amongst states in the subcontinent. Rivers, a crucial source of water resources, physically link upstream and downstream users and at the same time create barriers.

Lake Tahoe, seen here from Emerald Bay, was one of the primary validation sites for the global lake study. Image credit: NASA/JPL-Caltech

The Mizoram state has three types of (natural) lakes: valley lakes, tectonic/landslide lakes and artificial reservoirs, but the only lake of significance is Palak Dil, which is a natural lake in a depression in the hills. Palak Dil may possibly be a combination of valley and tectonic lakes. Locally in Mizoram, lakes are called dils. There are many such dils scattered all over the state, but they are tiny pools or marshy depressions such as Rengdil, Tamdil and Mampui Dil (Choudhury 2002). The Palak Lake is situated within the Mara Autonomous district Council, which is a region inhabited by the Mara Tribe. The Maras are distinct from the majority Mizos and in the Mara language the Palak Lake is referred to as Pala Tipa.

Climate Change

• India to release climate change report on Tuesday

 Environment

• India proposes a new emission check system
• Call for declaring soil as national resource: Soil Conservation Society of India

India Maritime Technology Conference 2011
Theme: "Sharpening India’s Sea Vision"

The Ministry of Environment and Forests (MoEF) has issued the draft CRZ Notification, 2010 under the Environment (Protection) Act, 1986 on 15th September, 2010 inviting suggestions and objections from public within 60 days from date of its issue. The following are the new additions to the original 1991 notification:

The central government has declared the coastal stretches of seas, bays, estuaries, creeks, rivers and back waters which are influenced by tidal action (in the landward side) up to 500 mts. from the High Tide Line (HTL) and the land between the Low Tide Line (LTL) and the HTL as “Coastal Regulation Zone” (CRZ), on 19.2.1991.

This paper published in the journal Conservation and Society reassesses/debates the decision taken by the government to dredge a new sea mouth in the Chilika Lake in Orissa, India, which was based on Geographical Information Systems (GIS) studies.

The paper argues that decisions such as these need to be understood and evaluated by taking into consideration not only the underlying technical aspects, but by also exploring the political and historical contexts in which decisions are taken.