Oceans and Coasts

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Featured Articles
June 7, 2024 Scientists question effectiveness of nature-based CO2 removal using the ocean
Ocean ecosystem (Image: PxHere, CC0 Public Domain)
April 24, 2023 The economic viability of solar desalination methods is the primary obstacle
The challenge is of ascertaining how renewable energy sources can be utilized to operate a desalination system (Image: Vmenkov, Wikimedia Commons)
April 11, 2023 Cultural adaptations to tropical cyclone warnings and impacts are crucial steps in limiting losses
A woman searching for her utensils in debris of her house which collapsed after Cyclone Aila (Image: Anil Gulati, Wikimedia Commons)
August 15, 2022 The impacts as perceived by the community
Catching fish from rivers, lakes and rivulets have good economic value in surroundings markets (Image: Wikimedia Commons)
July 29, 2022 New study from the University of East Anglia challenges the widely held view that restoring areas such as mangroves, saltmarsh and seagrass can remove large amounts of carbon dioxide (CO2) from the atmosphere
Mediterranean seagrass (Image: David Luquet, CNRS-Sorbonne University)
June 22, 2021 Policy matters this fortnight
Yamuna flows under (Image source: IWP Flickr photos)
Collection of articles on climate change with special reference to India
The following documents address various issues related to climate change, particularly highlighting the Indian context Posted on 20 Aug, 2009 12:36 PM

Climage Change, Indias perceptions, positions, policies and possibilities, written by Jyoti K Parikh and Kirit Parikh, Indira Gandhi

Map depicting the salinity affected areas in India
This map indicates the extent of salinity affected areas in the coastal states of the country Posted on 18 Aug, 2009 12:52 PM

The map shows that Tamil Nadu, Kerala, Karnataka, Goa, Maharashtra and Gujarat are high salinity zones, and Andhra Pradesh, Orissa and West Bengal are moderate salinity zones.

Click here to view the map - IRFC

Satellite map images showing the impact of the 2004 Tsunami on Tamil Nadu
Satellite images from UNOSAT show the impact of the 2004 Tsunami at different locations on the Tamil Nadu coast Posted on 18 Aug, 2009 11:08 AM

These "before-after" satellite map images from the UNOSAT website depict the impact of the 2004 Tsunami on the Tamil Nadu coast.

Modelling saline water intrusion in Bardez taluk of Goa
This study attempts to simulate and evaluate the impacts of seawater intrusion in one part of North Goa using FEFLOW to find the most sensitive parameters affecting the simulation Posted on 13 Aug, 2009 10:14 AM

This papers models the saline water intrusion in the Bardez taluk of Goa.

The study is replete with hydrogeological maps and data. These include topographic contours, soil, landuse, rainfall, geology, location of observation wells etc.

Andhra Pradesh State of the Environment: A report from ENVIS
The report has a number of recommendations regarding environmental care and protection that not only influences governmental policy, but also citizen action Posted on 11 Aug, 2009 04:00 PM

The Andhra Pradesh State of the Environment Report is available at the Environmental Information System (ENVIS) cell of the Ministry of Environment and Forests (MoEF) here

Ecosan in Gujarat: Initiatives & users
A member of the PLC Watsan group Dhani behn, has built an Ecosan toilet for herself - one of the first in Gujarat-about a year back. Posted on 07 Apr, 2009 11:14 AM

A member of the PLC Watsan group Dhani behn, has built an Ecosan toilet for herself - one of the first in Gujarat-about a year back. This is one of the best toilets on Ecosan I have seen and the simple and elegant story of the same is hugely impressive. It is located in Bhavnagar Saurashtra - Gujarat. She was part of an exposure visit of PLC WatSan to a MYRADA project in Karnataka implementing ecosan. She has one simple reason for use of the toilet- it's less use of water. Even with a twin pit pour flush about 5 litres of water gets used for a single flush and in a day 20 to 25 litres of water can get flushed by one person. Even this is too much in arid and semi arid Gujarat. The transfer of knowledge has resulted in an elegant solution to an otherwise vexing issue that can be made applicable on a larger scale across the state. There exists tremendous interest in Eco-san from other parts of Gujarat too including the coast with its high and saline water table and the tribal hamlets with its hard rock terrain and the rest with a lot of water shortage.

New initiative: "Odisha Mangrove Action Network"
New initiative: "Odisha Mangrove Action Network" Posted on 08 Dec, 2008 01:18 PM

This post deals with the recommendations and outcomes of the recent workshop on "Mangrove Forest Ecology, Management and Restoration" held at Rajanagar (boundary of Bhitrakanika National park) on 26th-27th November 2008, organized by Action for Protection of Wild Animals (APOWA) and sponsored by Ministry of Environment and Forets, Govt of India. The workshop was attended by 101 participants from the community representatives, teachers and lecturers of coastal schools and colleges, NGOs, CBOs, PRIs, Govt authority, Scientists, researchers, media etc. dsc00308.JPG Witnessing firsthand the rapid devastation of the Orissa's mangrove forest wetlands and their associated coastal ecosystems, the participants, resource persons were recommended to form a network to save the mangroves.

Algal bloom along the coast of China
Algal bloom along the coast of China Posted on 17 Jul, 2008 09:52 AM

On June 28, 2008, the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA's Aqua satellite captured these images of Qingdao and the bay of Jiaozhou Wan. It shows the officials and residents of Qingdao (also known as Tsingtao) struggling with a stubborn adversary: algae. The top image is a natural-color image similar to what a digital camera would photograph.

Potential impacts of climate change
Two inputs regarding climate change Posted on 11 Jan, 2008 01:50 AM

 A visual depiction of potential climate change impacts across the world from the National Geographic Channel. Below is a screen capture, click on the link to see the full application.

Cloud seeding for increasing rainfall
WATER SCARCITY CAN BE AVOIDED BY CLOUD SEEDING THAT INCREASES ANNUAL RAINFALL BY ABOUT 25% Posted on 16 Nov, 2007 08:18 PM

Due to the heat from the Sun the water in the rivers, lakes and Oceans becomes water vapour. As this hot moist air rises into the sky the temperature gets reduced at 7oC per km height in the sky.

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