What is climate change and its variability?

Climate variability includes all the variations in the climate that last longer than individual weather events, whereas the term climate change only refers to those variations that persist for a longer period of time, typically decades or more.

What is the difference between climate change and climate variability PDF?

Climate variability looks at changes that occur within smaller timeframes, such as a month, a season or a year, and climate change considers changes that occur over a longer period of time, typically over decades or longer.

What causes variability in climate?

Climate variability occurs due to natural and sometimes periodic changes in the circulation of the air and ocean, volcanic eruptions, and other factors. For example, the average daily maximum temperature in July, averaged over 30 years from 1988 through 2017, in Boulder, Colorado was 87.7° F (30.9° C).

Is climate variability associated with climate change?

Climate is the long term average of weather, and climate variability acts on different timescales. ENSO is the most important driver of year to year variability in the region. A large increase in greenhouse gases has resulted in climate change, which is a long-term trend in the mean climate.

What are the climate variables?

Climate entails the statistical characteristics of weather conditions in a given area. Climate zones are characterized by different combinations of climate variables, such as temperature, precipitation, humidity, and wind.

What is global warming and how is it different from climate change and climate variability?

“Global warming” refers to the rise in global temperatures due mainly to the increasing concentrations of greenhouse gases in the atmosphere. “Climate change” refers to the increasing changes in the measures of climate over a long period of time – including precipitation, temperature, and wind patterns.

What is meant by climate change?

Climate change refers to long-term shifts in temperatures and weather patterns. These shifts may be natural, such as through variations in the solar cycle. But since the 1800s, human activities have been the main driver of climate change, primarily due to burning fossil fuels like coal, oil and gas.

What are the seven climate variables?

WMO uses a list of 7 state-of-the-climate indicators that are based on the 54 Global Climate Observing System (GCOS) Essential Climate Variables, including surface temperature, ocean heat content, atmospheric carbon dioxide (CO2 ), ocean acidification, sea level, glacier mass balance and Arctic and Antarctic sea ice …

What is the main variable that controls climate?

The climate of any particular place is influenced by a host of interacting factors. These include latitude, elevation, nearby water, ocean currents, topography, vegetation, and prevailing winds.

What are examples of climate variability?

A prominent aspect of our climate is its variability. This variability ranges over many time and space scales and includes phenomena such as El Niño/La Niña, droughts, multi-year, multi-decade, and even multi-century changes in temperature and precipitation patterns.

What is a mode of variability?

What is a “Mode of Variability”? -‐In other words: Observed influences associated with different climate pa ern varia ons. Examples include ENSO, monsoons, normal season variability, etc. -‐Example: Effect ENSO has on tropical cyclones in the Atlan c Basin.