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Operation Popeye / Sober Popeye (Project Controlled Weather Popeye / Motorpool / Intermediary-Compatriot) was a military cloud-seeding project carried out by the U.S. Air Force during the Vietnam War in 1967–1972.
The climate of this region is characterized by high temperatures year round and sunny weather. [ 1 ] : 42 Mean annual temperatures in coastal areas are around 27 °C (81 °F) that is fairly even throughout the year with little difference between the coldest and hottest months of the year. [ 23 ]
The main contributor to the country's emissions is fossil fuel combustion, which accounted for about 60% of greenhouse gas emissions in 2014. [3] As of 2018, the electricity sector accounted for 48% of Vietnam's CO 2 emissions from fossil fuel combustion, industry for 28%, transport 16%, the residential sector 4%, the commercial sector 3%, and agriculture 1%. [3]
Climatological normal or climate normal (CN) is a 30-year average of a weather variable for a given time of year. [1] Most commonly, a CN refers to a particular month of year , but it may also refer to a broader scale, such as a specific meteorological season . [ 2 ]
He is also an advisor to the National Science Foundation and an author (along with 2000 other people) of a report by the Intergovernmental Panel on Climate Change which was awarded the 2007 Nobel Peace Prize with Al Gore. [2] [1] Pollack has conducted scientific research on all seven continents and has traveled regularly to Antarctica. [3]
A sufficient time period is suggested to allow the averaging to smooth out some of the variability. The standard time period in use is the climatological normal period of 30 years, [11] however if 30 years of data is not available then at the minimum five years should be used. However a five-year period is not directly comparable to a 30-year ...
Vietnam's year-on-year inflation rate reached 11.8% in December 2010 and the currency, the Vietnamese đồng, was devalued three times. [ 301 ] [ 302 ] Deep poverty , defined as the percentage of the population living on less than $1 per day, has declined significantly in Vietnam and the relative poverty rate is now less than that of China ...
In Medieval Europe, the climes for 15 and 18 hours of longest daylight at summer solstice were used to calculate the changing length of daylight through the year. [ 4 ] The modern concept of climate and the related term clime are derived from the historical concept of climata .