Climate

Annual climate summary 2023

The report discusses the climate condition over Indian region during the year 2023. Notably, global temperatures soared to exceptionally high levels during this period (WMO.No.1347). The India Meteorological Department continuously monitors weather and climate over Indian region. The annual mean land surface air temperature averaged over India during 2023 was …

Annual climate summary 2017

Climate during 2017 over India was substantially warmer. The annual mean temperature for the country this year was +0.71°C above the 1971-2000 average, thus making the year 2017 as the fourth warmest year on record since the nation-wide records commenced in 1901. Higher mean temperatures during the winter season (January- …

Seasonal variation and light absorption property of carbonaceous aerosol in a typical glacier region of the southeastern Tibetan Plateau

Deposition and accumulation of light-absorbing carbonaceous aerosol on glacier surfaces can alter the energy balance of glaciers. In this study, 2 years (December 2014 to December 2016) of continuous observations of carbonaceous aerosols in the glacierized region of the Mt. Yulong and Ganhaizi (GHZ) basin are analyzed. The average elemental …

Continental drivers of ammonium and nitrate in Australian soil under different land uses

Soil N is an essential element for plant growth, but its mineral forms are subject to loss to the environment by leaching and gaseous emissions. Despite its importance for the soil-plant system, factors controlling soil mineral N concentrations over large spatial scales are not well understood. We used NH4+ and …

EnviStats India 2018

The objective of environment statistics is to provide information about the environment, its changes over time and across locations, and the main factors that influence them. Ultimately, environment statistics aim at providing statistical information to improve knowledge of the environment, to support evidence-based policy and decision making, and to provide …

WMO statement on the state of the global climate in 2017

The very active North Atlantic hurricane season, major monsoon floods in the Indian subcontinent, and continuing severe drought in parts of east Africa contributed to 2017 being the most expensive year on record for severe weather and climate events. The high impact of extreme weather on economic development, food security, …

Using a hydrological model to simulate the performance and estimate the runoff coefficient of green roofs in semiarid climates

Green roofs offer a series of benefits to buildings and to the urban environment. Their use in dry climates requires optimizing the choice of their components (i.e., vegetation, substrate and drainage layer) for the specific local climatic conditions, in order to minimize irrigations needs while preserving the attributes of the …

How to design a park and its surrounding urban morphology to optimize the spreading of cool air?

Green areas induce smaller increases in the air temperature than built-up areas. They can offer a solution to mitigating the urban heat island impacts during heat waves, since the cool air generated by a park is diffused into its immediate surroundings through forced or natural convection. The purpose of this …

Weather, climate & catastrophe insight: 2017 annual report

This report evaluates the impact of the natural disasters and extreme weather events that occurred worldwide during 2017 and provides an overview of global economic losses. The report reveals that there were 330 natural catastrophe events in 2017 that generated economic losses of USD353 billion – of which 97 percent …

WMO statement on the state of the global climate in 2017

Year 2017 will be one of the three hottest years on record, with many high-impact events, including catastrophic hurricanes and floods, debilitating heat waves and drought, says this provisional statement on the State of the Climate released by the World Meteorological Organization (WMO). It is very likely that 2017 will …

Seasonal patterns of Japanese Encephalitis and associated meteorological factors in Taiwan

The persistent transmission of Japanese encephalitis virus (JEV) in Taiwan necessitates exploring the risk factors of occurrence of Japanese encephalitis (JE). The purpose of this study was to assess the relationship between meteorological factors and the incidence of JE in Taiwan. We collected data for cases of JE reported to …

Climate diagnostics bulletin of India

Rainfall during the month of July over the country as a whole was normal. However, it was marked with large spatial variability, as the homogeneous region of Central India received above normal rainfall, while the South Peninsular India received deficient rainfall. South Peninsular India witnessed one of the warmest July …

Temperature variability is integrated by a spatially embedded decision-making center to break dormancy in Arabidopsis seeds

Both plants and animals make decisions in response to the environment to maximize their fitness. Plants use dormancy in seeds to move through time and space, and timing of the transition to germination is influenced by external cues, including temperature. Here, we report the presence of a decision-making center within …

Air pollution-related health and climate benefits of clean cookstove programs in Mozambique

Approximately 95% of households in Mozambique burn solid fuels for cooking, contributing to elevated indoor and outdoor fine particulate matter (PM2.5) concentrations and subsequent health and climate impacts. Little is known about the potential health and climate benefits of various approaches for expanding the use of cleaner stoves and fuels …

Impacts of world class vehicle efficiency and emissions regulations in select G20 countries

In 2014, the G20 Energy Efficiency Action Plan prioritized the establishment of a Transport Task Group (TTG) to promote cooperation among participating G20 countries to develop domestic policies that improve the energy efficiency and environmental performance of motor vehicles, particularly heavy-duty vehicles. Led by the United States, the TTG currently …

Worldwide increase of obesity is related to the reduced opportunity for natural selection

Worldwide rise of obesity may be partly related to the relaxation of natural selection in the last few generations. Accumulation of mutations affecting metabolism towards excessive fat deposition is suggested to be a result of less purging selection. Using the WHO and UN data for 159 countries there is a …

State of the climate: global analysis for annual 2016

NASA and NOAA announced today that 2016 was the hottest year on record globally - and the 3rd year in a row of record warming With a boost from El Nino, 2016 began with a bang. For eight consecutive months, January to August, the globe experienced record warm heat. With …

Climate engineering by mimicking natural dust climate control: the iron salt aerosol method

Power stations, ships and air traffic are among the most potent greenhouse gas emitters and are primarily responsible for global warming. Iron salt aerosols (ISAs), composed partly of iron and chloride, exert a cooling effect on climate in several ways. This article aims firstly to examine all direct and indirect …

2016 annual global climate and catastrophe report

This report evaluates the impact of worldwide natural disaster events during the last 12 months to promote awareness and enhance resilience. The report reveals that there were 315 natural catastrophe events in 2016 that generated economic losses of USD210 billion. For historical context, 2016 was the seventh highest year on …

Water balance creates a threshold in soil pH at the global scale

Soil pH regulates the capacity of soils to store and supply nutrients, and thus contributes substantially to controlling productivity in terrestrial ecosystems . However, soil pH is not an independent regulator of soil fertility—rather, it is ultimately controlled by environmental forcing. In particular, small changes in water balance cause a …

Population density, climate variables and poverty synergistically structure spatial risk in urban malaria in India

The world is rapidly becoming urban with the global population living in cities projected to double by 2050. This increase in urbanization poses new challenges for the spread and control of communicable diseases such as malaria. In particular, urban environments create highly heterogeneous socio-economic and environmental conditions that can affect …

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