Salinity

Report by Coastal Aquaculture Authority on illegal shrimp hatcheries in Tamil Nadu, 30/10/2021

Independent report of Coastal Aquaculture Authority, Chennai in the matter of Original Application No. 5 of 2021 & 9 of 2021 (SZ) filed before the National Green Tribunal. The matter related to hatcheries in the districts of Chengalpattu, Villupuram, Nagapauinam and Cuddalore Districts of Tamil Nadu. The inspection committee designated …

Report by Coastal Aquaculture Authority on illegal shrimp hatcheries in Tamil Nadu, 30/10/2021

Independent report of Coastal Aquaculture Authority, Chennai in the matter of Original Application No. 5 of 2021 & 9 of 2021 (SZ) filed before the National Green Tribunal. The matter related to hatcheries in the districts of Chengalpattu, Villupuram, Nagapauinam and Cuddalore Districts of Tamil Nadu. The inspection committee designated …

Impact of salinity on infant and neonatal mortality in Bangladesh

In this paper, the impact of salinity on maternal and child health in Bangladesh is analyzed using data from the Bangladesh Demographic Health Surveys. A U-shaped association between drinking water salinity and infant and neonatal mortality is found, suggesting higher mortality when salinity is very low or high. With fresh …

Quality unknown: the invisible water crisis

Water quantity—too much in the case of floods, or too little in the case of droughts—grabs public attention and the media spotlight. Water quality—being predominantly invisible and hard to detect—goes largely unnoticed. Quality Unknown: The Invisible Water Crisis presents new evidence and new data that call urgent attention to the …

$33m to be invested for women, girls for climate adaptation

The six-year project is mainly financed by the Green Climate Fund (GCF), world's largest multilateral fund for climate change action The government has joined hands with UNDP to implement a project worth $33 million in Satkhira and Khulna districts. The project is set to benefit almost 700,000 people, mostly women …

Climate change induced salinity affecting soil across coastal Bangladesh

With the consequence of climate change, it gradually extends towards inland water and soil. This scenario of gradual salinity intrusion into the coastal areas of Bangladesh is very threatening to the primary production system, coastal biodiversity and human health, said researchers. The total amount of salinity affected land in Bangladesh …

Climate change induced salinity intrusion and its implications for agriculture

An estimated 1.06 million hectare of arable land in Bangladesh and 6.7 million hectares in India is affected by salinity. Salinity intrusion adversely affects the livelihoods of farmers, especially rice cultivators and fisherfolks, vegetations, soil quality, and infrastructure in these areas. The net cropped area in coastal Bangladesh has been …

Ground water quality in shallow aquifers in India 2018

The report entitled "Report on Ground water quality in shallow aquifers in India" summarizes various aspects of ground water quality in the shallow aquifers in the country with special reference to six parameters viz. salinity, chloride, arsenic, fluoride, iron and nitrate. An important part of this report is the Maps …

Aquatic salinization and mangrove species in a changing climate: impact in the Indian Sundarbans

This paper contributes to understanding the physical and economic effects of salinity diffusion and planning for appropriate adaptation for managing the Sundarbans in a changing climate, with a focus on the West Bengal portion of the tidal-wetland forest delta. A five-step analysis, using high-resolution spatial assessments, was conducted to get …

Iraq's Wetland Wildlife Threatened by Low Water Levels

Dozens of water buffalo in Iraq's southeastern wetlands have died because of low water levels in the marshes, threatening the livelihoods of a community of marsh dwellers that has made the area its home for millennia. Water levels in the marshes have fallen a third from their peak at 1.30 …

Observed winter salinity fields in the surface layer of the Arctic Ocean and statistical approaches to predicting large-scale anomalies and patterns

Significant salinity anomalies have been observed in the Arctic Ocean surface layer during the last decade. Our study is based on an extensive gridded dataset of winter salinity in the upper 50 m layer of the Arctic Ocean for the periods 1950–1993 and 2007–2012, obtained from ~20 000 profiles. We …

A report on problems of salination of land in coastal areas of India and suitable protection measures

This report discusses in detail the occurrence of coastal land salinity, its impact on crop yield and environment, and various management techniques to mitigate the adverse impacts, including those of coastal flooding arising from storm surges and anticipated climate change. The state-wise physiography and drainage, hydrogeology, and, causes and extend …

Prolonged California aridity linked to climate warming and Pacific sea surface temperature

California has experienced a dry 21st century capped by severe drought from 2012 through 2015 prompting questions about hydroclimatic sensitivity to anthropogenic climate change and implications for the future. We address these questions using a Holocene lake sediment record of hydrologic change from the Sierra Nevada Mountains coupled with marine …

A snapshot of the world’s water quality: towards a global assessment

Water pollution has risen across three continents, placing hundreds of millions of people at risk of contracting life-threatening diseases like cholera and typhoid, UN Environment warns. The worrying rise in the pollution of surface waters in Asia, Africa and Latin America also threatens to damage vital sources of food and …

Why a Giant Green Lake Turned Blood-Red

Like the famous Aral Sea between Kazakhstan and Uzbekistan and the Salton Sea in California, the salty expanse of Lake Urmia in Iran has been drying up and shrinking for decades. Now the lake, once one of the largest in the Middle East, looks more like a gigantic crime scene. …

Impact of climate change and aquatic salinization on mangrove species and poor communities in the Bangladesh Sundarbans

This paper investigates possible impacts of climate change on the poor communities of the Bangladesh Sundarbans via changes in aquatic salinity and mangrove species. The implications for poor communities are assessed by computing changes in high-value mangrove species for the five sub-districts in the Sundarbans. The results of the impact …

Impact of climate change and aquatic salinization on mangrove species and poor communities in the Bangladesh Sundarbans

This paper investigates possible impacts of climate change on the poor communities of the Bangladesh Sundarbans via changes in aquatic salinity and mangrove species. The implications for poor communities are assessed by computing changes in high-value mangrove species for the five sub-districts in the Sundarbans. The results of the impact …

Dhaka most vulnerable to floods

About 13% of households and 12.65% of the population in Bangladesh are under risk from disasters, which include floods, cyclones, drought, water-logging, landslides, and salinity, Bangladesh Bureau of Statistics (BBS) claims. When comparing divisions, Dhaka and Sylhet are most vulnerable to floods, Rajshahi and Rangpur to drought, Chittagong and Khulna …

Namibia: Lake Oponona Dries Up

Ongwediva — Lake Oponona, which is normally a dependable water body for thousands of cattle in Uuvudhiya and Ompundja constituencies, has almost completely dried up. The puddles of water left in the lake are said to be too saline for either human or animal consumption. "The lake is almost completely …

North Atlantic salinity as a predictor of Sahel rainfall

Water evaporating from the ocean sustains precipitation on land. This ocean-to-land moisture transport leaves an imprint on sea surface salinity (SSS). Thus, the question arises of whether variations in SSS can provide insight into terrestrial precipitation. This study provides evidence that springtime SSS in the subtropical North Atlantic ocean can …

Impact of climate change and aquatic salinization on fish habitats and poor communities in southwest coastal Bangladesh and Bangladesh Sundarbans

Fisheries constitute an important source of livelihoods for tens of thousands of poor people in the southwest coastal region of Bangladesh living near the UNESCO Heritage Sundarbans mangrove forest, and they supply a significant portion of protein for millions. Among the various threats fisheries in the southwest coastal region and …

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