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Sep 3 • 4 tweets • 2 min read
#TamilNadu comes in top 5 state in India in-terms of Bird diversity. State recorded >560unique bird species(~40% of India). Our hills, wetlands, plains/lakes filled with diverse bird species. This video shows birding in Nilgiris by famous wildlife biologist Surya Ramachandran 1/3
Every stream has its own story from insects, mammals, amphibians, birds..etc. Small stream will inhibit 10000's of insects that keep the forest healthy by controlling un-necessary larva's, mosquitos.etc. This video shows damsels in streams of Nilgiris 2/3
By building dams, we are not just storing the flood, but we are also stopping the small dry month flows, that is the important lifeline of the forest eco-system. Kindly refer Surya Ramachandran YouTube channel to know more about our wildlife. 3/3
Surya sir also did lot of wildlife field study in Ladakh, you may like it @Kyangs_Thang

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More from @TNGeography

Tamil Nadu Geography Profile picture
Sep 5
Bangalore sits above 2900ft, one have to be master in bad planning to flood a high altitude, rich metro city.

All cities are not made equal, cities like Mumbai & Chennai with their flat terrain, costal tides, heavy rainfall are geographically flood vulnerable.
#bangalorerains Image
I meant, places like Bangalore, flood mitigation is easier & less trivial/complex. You need to follow gradient, valleys.Higher flow speed meant small drain could evacuate more water, it doesn't stagnate in this terrain. Old Bangalore withstood these rain with avg drain system 1/n
Chennai/Mumbai sit in 5-7m height, water flow very slowly, stagnate more. In these "Mega cities", canal depth cant go above 5m(shallow), otherwise sea water will enter the city. They also receive heavy rainfall. So, flood mitigation is non-trivial and complex plan is required 2/n
Read 10 tweets
Tamil Nadu Geography Profile picture
Aug 19
As per request. In this long thread, I had added all my twitter threads covering Tamil Nadu's eastern ghats. Its a long thread that covers most of the #EasternGhats
Let start with #Parvathamalai in #Tiruvannamalai dt 1/n
#Jawadhu hills in #Tirupathur, #Vellore #Tiruvannamalai dt 2/n
#Sirumalai in #Dindigul and #Madurai district 3/n
Read 19 tweets
Tamil Nadu Geography Profile picture
Jun 25
#TamilNadu often seen as a flat/plain state. But TN has the highest land area above 1000m and 2000m height in south India also in "Non-Himalayan" India. TN has 5312sqkm area above 1000m height, 875sqkm land area above 2000m. At the same time, 85% the state lies below 500m. 1/7
Tamil Nadu also has highest number of people living above 2000m in Non-Himalayan India. But when we add Himalayan state, old J&K (incl PoK) has ~1,41,000sqkm area situated above 4000m height😯. Arunachal, Himachal, Uttarakhand all has huge land area above 4000m height. 2/7
#TamilNadu also ecologically a diverse state, with marine reserve, diverse forest type from every green forest to thorny scrub, wetlands/mangroves, coral reeves, rich sand-dunes, large delta. It has 4 sea coast each with unique character, 17 bird sanctuaries. 3/7
Read 8 tweets
Tamil Nadu Geography Profile picture
Jun 1
It's a long thread abt 1984,Aug 2, Chennai Airport bomb blast killed 33, injured 38. I promise you, It is very interesting. In 1983, saw start of Sri Lankan civil war.
1. Tamil Eelam Army(TEA) Kathiresan & allies wants to put a bomb in the luggage of Air Lanka flight UL-122 1/n
2. Flight UL-122, depart from Chennai Airport at 8.15PM. Bomb was timed at 11 PM, so luggage will be in cargo complex of Colombo Airport, blast is intended to damage Air Lanka properties
3. Two Luggage of accused was tagged in Chennai to reach London & Paris through Colombo 2/n
4. Those days, Indian customs only checks 5% of all luggage's. So accused thought, it will get through the plane without any problem. But due to its weight, the luggage was held by custom officials for checking, As per rules, they check the luggage only in front of the owner. 3/n
Read 24 tweets
Tamil Nadu Geography Profile picture
Apr 14
Yesterday 4 people died due to Lightning in #Virudhunagar. Every year, >5000 die in India.
This thread is about Lightning precaution & busting myth.
Many think, people die due to direct lightning strike, but most of the death happens due to the concept called step potential 1/10
If a lighting strike ~50ft distance from you. Lightning create potential gradient around its strike point. Voltage will be peak at the strike point and it will start reduce from that point. The electric current will start flowing under the earth. 2/n
If you stand above the ground keeping your two legs apart, it is equal to applying voltage between your two leg. The potential between your legs will make current flow through your body (e.g. current flow from ground to your left leg, hip, right leg then back to the ground), 3/10
Read 12 tweets

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