Once the wettest place on earth seeing decreasing trend in rainfall Subject: Geography Context: A recent study paper published in Environmental Research Letterlooked at the trend of rainfalls in Cherrapunji (Meghalaya) over last 119 years and saw decreasing trend of about 0.42 mm per decade. Concept: Mawsynram overtook Cherrapunji few years back as […]
Alaknanda river’s clear green blue giving way to muddiness Subject: Geography Context: 6 days post flash floods in Uttarakhand saw Alaknanda river water turning muddy raising concern. Concept: Normally Alaknanda is muddy only in the monsoon. It is the result of suspended sand, clay, rocks, in the water. Dhauliganga carried the deposits into […]
Niti Valley and Niti Pass Subject: Geography Context: There are many villages which has been cut-off due to recent flood in Uttarakhand Concept: The Uttarakhand flood has cut-off this and other remote villages. Niti Valley is one of northernmost region of the Uttarakhand. It is the las village in the valley before border […]
LANDSLIDE LAKE OUTBURST FLOOD Subject: Geography Context : New evidence suggests that the incident may have been caused by a breach in a temporary pool or lake formed by obstructions due to landslides or snow avalanches — an event described as a Landslide Lake Outburst Flood (LLOF). Concept: Glaciologists and geologists identified a […]
DHAULIGANGA Subject: Geography Context: Water Levels Surge Up In Dhauli Ganga Once Again After Glacier Burst. Concept: Dhauligangaalso known as Dhauli river is one of the six source streams of the ganga river. It originates from DeovanHimani and flows along gahrwal division of uttarakhand. It rises at an altitude of 5070 metres in […]
GLACIAL OUTBURST FLOOD / AVALANCHE Subject: Geography Context : A glacial lake burst, a cloud burst or an avalanche, the impact of climate change or “development” — scientists are not sure what triggered the sudden surge of water near Chamoli in Uttarakhand Sunday morning that briefly raised fears of a repeat of the […]
WATER SCARCITY IN HIMALAYAS Subject: Geography Context: A new study has said that Himalayan catchment areas may face water stress situations. They also note that if there is increased rainfall, this could lead to a water surplus situation. Concept: The team studied five basins in the central Himalaya – Sutlej, ThuloBheri, Kali Gandaki, […]