Climatology, meteorology, atmosphere

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  • The CRYOspheric STudies of Atmospheric Trends in stratospherically and radiatively important gases (CRYOSTAT) will undertake the first combined measurements of virtually all significant Greenhouse gases (GHGs)(other than water vapour), ozone-depleting substances (ODSs), and related trace gases in contiguous firn and ice profiles, spanning as much as 200 years, from both the northern and southern polar ice caps. The dataset contains concentrations of isotopes (CH4, N20, CO, CO2, N20, SF6, CH3Br, halocarbons, and hydrocarbons) in firn, N2O concentrations in ice, ice core density, firn diffusivity, and weather measurements. CRYOSTAT is an evolution of the FIRETRACC/100 project, the data from which is also held at BADC.

  • These data are held by the BADC for the Natural Environment Research Council (NERC) Molecular Spectroscopy Facility (MSF). MSF provides world-class scientific equipment and support for infrared (IR),visible, and ultraviolet (UV) spectroscopy. The MSF laboratories are used by many UK and international customers in a wide range of research and development programmes. The data are spectra of various atmospheric gases. These data are public. The data held covers the following areas: Water vapour line parameters Molecular oxygen absorption cross-sections Molecular oxygen/nitrogen absorption cross-sections Hydrofluorocarbon (HFC) infrared absorption cross-sections Perfluorocarbon (PFC) infrared absorption cross-sections Computer software

  • Data products from the Moderate Resolution Imaging Spectroradiometer (MODIS) instrument onboard the Terra and Aqua satellites as part of NASA-led international Earth Observation System (EOS) programme. MODIS provides high radiometric sensitivity (12 bit) in 36 spectral bands ranging in wavelength from 0.4 micrometres to 14.4 micrometres. Two bands are imaged at a nominal resolution of 250 m at nadir, with five bands at 500 m, and the remaining 29 bands at 1 km. A +/- 55-degree scanning pattern at the EOS orbit of 705 km achieves a 2,330-km swath and provides global coverage every one to two days. The main objective of MODIS is to enhance our understandings on global dynamics and processes occurring on the land, in the oceans and in the lower atmosphere, and these data are also essential in the development of validated, global and interactive Earth system models.

  • The Global Ocean Surface Temperature Atlas Plus (GOSTAplus) contains maps of Sea Surface Temperature (SST) climatologies and anomalies, Night Marine Air temperature climatologies and anomalies and Sea Ice coverage spanning the period 1851-1995. Dataset includes gridded, global SSTs from 1951-1990 and Sea Ice coverage from 1903 to 1994. The data are provided by the Met Office. Updated version of some data also available on request.

  • The HadGEM2 model is the Met Office Hadley centre global environment model version 2. The Atmospheric resolution of this model is 1.25 degrees latitude by 1.875 degrees with 38 levels (N96L38). The HadGEM2-AO model is a configuration of the HadGEM2 model which is an atmosphere ocean simulation with other component interfaces replaced with ancillary file input. Part of the UK Met Office Hadley Centre's contributions to the fifth assessment report of the IPCC (Intergovernmental Panel on Climate Change) was based on the HadGEM2 model. Specifically, this data were used for the ENSEMBLES EU FP7 project. These data are provided in the Met Office PP format, but tools are available to extract subsets in NetCDF and other formats.

  • The Network for the Detection of Atmospheric Composition Change (NDACC), formely known as the Network for the Detection of Stratospheric Change (NDSC), is a set of high quality, remote-sounding research stations for observing and understanding the physical and chemical state of the stratosphere. These stations, where ozone and key ozone-related parameters are measured, are complemented by both secondary stations and satellite measurements. Following five years of planning, instrument design and implementation, the NDACC began network operations in January 1991. The principal goals of the network are: * To study the temporal and spatial variability of atmospheric composition and structure in order to provide early detection and subsequent long-term monitoring of changes in the physical and chemical state of the stratosphere and upper troposphere; in particular to provide the means to discern and understand the causes of such changes. * To establish the links between changes in stratospheric ozone, UV radiation at the ground, tropospheric chemistry, and climate. * To provide independent calibrations and validations of space-based sensors of the atmosphere and to make complementary measurements. * To support field campaigns focusing on specific processes occurring at various latitudes and seasons. * To produce verified data sets for testing and improving multidimensional models of both the stratosphere and the troposphere. The dataset contains high quality measurements of a wide range of stratospheric chemical species and parameters derived from instruments operated at a number of ground stations around the world.

  • These data are part of the NERC Clouds, Water Vapour and Climate (CWVC) programme. With a diameter of 25 metres the 3 GHz CAMRa at Chilbolton Observatory (UK) is the largest steerable meteorological radar in the world. Polarisation and Doppler data are stored in netCDF format for 30 March 1999, 9 June 2000, 20 October 2000, 21 November 2000, and 28 February 2001. Quicklook images are also available.

  • Earth-system modelling data from the UK-Japan Climate Collaboration (UJCC). The project is a joint project between the Hadley Centre (DEFRA) and the NCAS-CGAM (Centre for Global Atmospheric Modelling) at the University of Reading. UJCC makes use of a broad group of models in order to systematically explore the role and value of resolution in climate system research. The dataset comprises of UJCC 30 year simulations from models at resolutions of either (1.25 lat x 1.875 lon) or (0.83 lat x 1.25 lon) with differing degrees of atmosphere-ocean coupling (1 degree ocean or 1/3 degree ocean). The dataset also includes NUGAM (Nihon-UK Global Environmental Model) Atmosphere only simulations and NUGEM Coupled atmosphere and ocean simulations which are both at the same resolution (0.83 lat x 0.56 lon, corresponding to ~60 km in mid-latitudes).

  • CRUTEM is a dataset derived from air temperatures near to the land surface recorded at weather stations across all continents of Earth. It has been developed and maintained by the Climatic Research Unit (CRU) since the early 1980s, with funding provided mostly by the US Department of Energy. Since the early 2000s, the Met Office Hadley Centre (MOHC) have also been involved, especially in the regular updating of the operational version of CRUTEM (current version CRUTEM5) and in the development of the CRUTEM uncertainty model. The lead scientist for most of this work was Professor Phil Jones, but for CRUTEM5 it is Professor Tim Osborn. CRUTEM has been combined with the MOHC's dataset of sea surface temperatures to provide a near-global dataset of temperatures across Earth's surface, called HadCRUT. These datasets have been widely used for assessing anthropogenic climate change.

  • Data from the Infrared Atmospheric Sounding Interferometer (IASI) instrument on-board the Eumetsat Polar System Metop-B satellite. The IASI is designed to measure the infrared spectrum emitted by the Earth. IASI provides infrared soundings of the temperature profiles in the troposphere and lower stratosphere, moisture profiles in the troposphere, and some of the chemical components playing a key role in the climate monitoring, global change and atmospheric chemistry. Data were directly acquired from Eumetsat.