Water measurement

Normally we hear TMC water available in summer and reached reservoirs in monsoon time. Nice to understand the flowing / stored water measurements....
  • One Cubic feet = 28.3 litres  ; One M^3 = 1000 litres
  • Cusec = One Feet ^ 3 / Sec i.e. Cusec = Cubic feet per Second 
  • Cumec = M ^ 3 / Sec (or) 1000 liters / Sec 
  • 100 Cusec water flows for 24 hours means 100 Ft^2/Sec = 100 x 24 x 60 x 60 = 86,40,000 Ft^3
  • In other way: 11574 Cusec of Water flow for a day equal to One TMC 
TMC = Thousand Million Cubic Feet i.e. 1000, 00, 000 Cubic ft
One TMC = 28,316,846,597 litres = 28 billion litres = 22956 Acre ft and One Cubic Km = 35.32 TMC ft
  • Oct 2020: All projects on both Krishna & Godavari rivers over flowed multiple times, ~4000 TMC released to Sea !!
  • 15th Aug '19: 8-10 L Cusecs  of inflow to Srisailam (213 TMC) & Nagarjuna Sagar (312 TMC) are full without rain in local catchment. :) 
  • 16th Aug '18: 8.8 L Cusec of water released to sea in Godavari river i.e. ~75 TMC / Day
  • 18th Aug '18: 14 L Cusec of water released to sea in Godavari river i.e. ~120 TMC / Day
  • 21st Aug '18: 1.5 L Cusec's of water released from Prakasam barrage to Sea (Krishna River)~14 TMC / Day 
South India has major rivers Godavari, Krishana, Cauvery, Kali and Periyar. 
Note: Find AndhraPradesh water storage Dashboard to find current water levels !!
South India:
  • AP: 27.2 BCM in 28 major & 65 medium reservoirs
  • Telangana: 16.65 BCM in 173 major, mid & small reservoirs
  • Karnataka: 23.4 BCM
  • TamilNadu: 5.97 BMC in 20 reservoirs
  • Kerala: 3.54 BMC in 16 reservoirs , where BCM = Billion Cubic Metres, a unit of measure equivalent to 1 cubic kilometre,
  • Reservoir wise:
    • Nagarjuna Sagar Dam(AP): Largest – Krishna – 490 ft – 312 tmc
    • Srisailam Dam(AP): Krishna – 476 ft – 216 tmc
    • Mettur Dam(TN): Cauvery- 120 ft - 94 tic
    • Bhavanisagar Dam(TN): Cauvery- 130 ft - 33 tmc 
    • Malampuzha Dam, Kerala: 355 ft –
    • Idukki Dam, Kerala:
    • Banasura Sagar Dam, Kerala
    • Supa Dam (KA): 331 ft –
    • Almatti (KA): 130 tmc
    • Tungabhadra Dam(KA): 101 tmc
    • Krishna Raja Sagara Dam (KA):
    • Linganamakki Dam (KA): 193 ft
Water Falls on Godavari: Duduma, Teerathgarh, Chitrakoot, Sahastrakunda, Kuntala, Pochera, Bogatha, 
Waterfalls on Krishna: Ethipothala on Chandravanka, Godchinamalaki on Markandeya,  Gokak on Ghataprabha, Mallela Theertham


https://en.wikipedia.org/wiki/List_of_dams_and_reservoirs_in_India

 Find AndhraPradesh water storage Dashboard to find current water levels !!

-----
Oct 2021:

Global Energy (Electricity) shortage – as domestic production reduced due to rains and import of coal cost increased 300% !!

India’s Installed Electricity capacity: ~400 Gw

By source: 52% (coal), 13% (hydro), 12% (Solar), 10% (Wind), 6.5% (Gas), 6% (Other)

Consumption: 24% (Houses), 43% (Industrial), 18% (Agri), 8% (Commercial)


In Telugu: 02 Mar '23: 

టీఎంసీలు, క్యూసెక్కులు అంటే ఏమిటి?

టి.ఎమ్.సి. దీనినే టి.ఎమ్.సి. ఫీట్ అని కూడా అంటారు.

TMC అంటే Thousand Million Cubic feet 1,000,000,000 లేదా 10^9 లేదా 1 బిలియన్ లేదా శత కోటి ఘనపుటడుగులు.

అంటే 100 కోట్ల అడుగుల పొడవు, వెడల్పు, ఎత్తు కలిగిన ఘనములో పట్టు నీరు. ఈ సంఖ్యను భారత దేశంలో నదులలో పారే నీటిని మరియు జలాశయలోని నీటిని లెక్క కట్టేందుకు వాడుతున్నారు.

క్యూసెక్ అంటే Cubic feet per Second. దీనిని సెకండ్ కు ఎన్ని లీటర్లు నీరు ప్రవహిస్తుందో చెబుతారు. 1 అడుగు ఘనపరిమాణం 28.317 లీటర్లకు సమానం. అంటే 1 అడుగు పొడవు, వెడల్పు మరియు ఎత్తు కల పాత్ర లో 28.317 లీటర్ల నీరు పడుతుంది. అదే 1 మీటరు పొడవు, వెడల్పు మరియు ఎత్తు కల పాత్ర లో 1000 లీటర్లు లేదా 1 టన్ను నీరు పడుతుంది.

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