![]() For instance one important group single celled organisms are foraminifera, they exist in all marine environments and have often a shell of calcium carbonate. ![]() In aquatic environments you will find a range of different organisms. To understand present- and past aquatic environments we can use the sediment as an environmental archive. ![]() Source apportionment of carbonaceous aerosols.Past Solar Activity Variations and Sun-Climate links.Carbon cycle and solar changes at the end of the last Ice Age.On the other hand, they can be breathed into human airways, thus being responsible for several adverse health effects. On the one hand, they can interact with solar radiation or cloud formation, and thus play a significant role in the Earth's climate. Airborne particles (a few nanometers to a few micrometers in diameter) like aerosols play an important role in the atmosphere. In particular, it provides estimates of the natural climate variability.Īn altered greenhouse gas balance as we see in the past, and now today due to human activities, alters the global temperature which in turn alters vegetation, precipitation, ice cover and ocean circulation. Investigating such periods that have not been influenced by human activities helps us to improve the understanding of the climate system and how it will act now and in the future. Equally interesting is to see how natural system dynamics such as the solar activities affects the climate variations on Earth. The global climate has gone through strong changes before anthropogenic influence. Now greenhouse gases and particles are rapidly added by human activities, altering the atmospheric composition and therefore also the climate conditions. ![]() It keeps the temperature relatively stable between day and night and makes life possible for the inhabitants of the planet. The atmosphere of the Earth protects us and all life on the planet from cosmic rays, solar ultraviolet radiation and solar winds. LUCCI Science Climate change dynamics in atmosphere and space These and many other related questions was central to the research at the Linnaeus centre LUCCI.
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