16 documents found in 184ms
# 1
MIBase V1 [version 1] DataCite Dataset
Böhm, Christoph
Abstract: The MIBase product is derived from the Multi-angle Imaging SpectroRadiometer (MISR) which is placed on the Terra satellite. The newly developed MISR cloud base height (MIBase) algorithm (Boehm et al., in review with AMT, https://doi.org/10.5194/amt-2018-317) retrieves the cloud base height from the MISR Level 2TC Cloud Product (MIL2TCSP). The MIL2TCSP product provides the cloud top height and a stereo-derived cloud mask at 1.1 km horizontal resolution. The MIBase algorithm evaluates the ensemble of the cloud top height retrievals within a specified area or grid box in case some cloud gaps occur within the area and a sufficient amount of cloud top height retrievals marked high confidence cloud according to the stereo-derived cloud mask is provided. The 15th percentile of the cloud top height distribution within the specified grid box yields the cloud base height. The final product is produced globally on a 0.25x0.25 degree longitude latitude grid for a three year period (2007-2009). The algorithm has been calibrated and validated against ground-based ceilometer measurements across the continental USA over the course of two years. An important strength of MIBase is the geometric approach which is applied to create the cloud top height product from MISR measurements. Neither a calibration nor auxiliary data are necessary to obtain the cloud top height product which is the starting point for the MIBase algorithm. In consequence, retrievals are possible over all kinds of terrain even above ice. A disadvantage is the threshold height which MISR requires to create the stereo-derived cloud mask. Therefore, depending on the terrain variability in the vicinity of the measurement, MIBase is not capable of deriving cloud base heights below at least 560 m (flat terrain). The algorithm requires a broken cloud scene. For complete overcast within the chosen MIBase cell, the cloud base height cannot be retrieved. Therefore, climatologies derived from this algorithm would be biased towards cloud types for which MISR is able to observe the surface through cloud gaps. The given cloud base height estimates represent the situation during morning hours since MISR is carried on board the Terra satellite in a Sun-synchronous orbit with an equatorial overpass time at around 10:30 local solar time.
# 2
Hoffmeister, Dirk
Abstract: This data link summarizes all meteorological and soil measurements of the permanent weather station "34 - Cerro Campana" in the Atacama desert in Chile. The measurement site is located in the southern transect of the research regions at the Cerro Campana. Recent data are available on the weather station website section (https://www.crc1211db.uni-koeln.de/wd/index.php). Additionaly, detailed information about the station configuration and mounted sensors is given at this website section. The data of this station is collected by GSM-based phone calls on a weekly basis. In addition, data stored in the station is acquired on a regular time basis, as documented in the section stated above. Please contact the contributor for all further details. Yearly datasets are additionally stored in this CRC1211-DB.
# 3
Hoffmeister, Dirk
Abstract: This data link summarizes all meteorological and soil measurements of the permanent master weather station "33- Quebrada Grande" in the Atacama desert in Chile. Master stations are equipped with further soil and radiations sensors, as well as temperature, humidity and wind sensors in a height of 4 m. The measurement site is located in the southern transect of the research regions at the Quebrada Grande. Recent data are available on the weather station website section (https://www.crc1211db.uni-koeln.de/wd/index.php). Additionaly, detailed information about the station configuration and mounted sensors is given at this website section. The data of this station is collected every hour by a GOES satellite uplink provided by National Oceanic and Atmospheric Administration (U.S. Department of Commerce). In addition, data stored in the station is acquired on a regular time basis, as documented in the section stated above. Please contact the contributor for all further details. Yearly datasets are additionally stored in this CRC1211-DB.
# 4
Hoffmeister, Dirk
Abstract: This data link summarizes all meteorological and soil measurements of the permanent weather station "32 - Quebrada Matancilla" in the Atacama desert in Chile. The measurement site is located in the southern transect of the research regions at the Quebrada Matancilla. Recent data are available on the weather station website section (https://www.crc1211db.uni-koeln.de/wd/index.php). Additionaly, detailed information about the station configuration and mounted sensors is given at this website section. The data of this station is collected every hour by a GOES satellite uplink provided by National Oceanic and Atmospheric Administration (U.S. Department of Commerce). In addition, data stored in the station is acquired on a regular time basis, as documented in the section stated above. Please contact the contributor for all further details. Yearly datasets are additionally stored in this CRC1211-DB.
# 5
Hoffmeister, Dirk
Abstract: This data link summarizes all meteorological and soil measurements of the permanent weather station "31- Caleta Sur de Punta Grande" in the Atacama desert in Chile. The measurement site is located in the southern transect of the research regions at the Caleta Sur de Punta Grande. Recent data are available on the weather station website section (https://www.crc1211db.uni-koeln.de/wd/index.php). Additionaly, detailed information about the station configuration and mounted sensors is given at this website section. The data of this station is collected by GSM-based phone calls on a weekly basis. In addition, data stored in the station is acquired on a regular time basis, as documented in the section stated above. Please contact the contributor for all further details. Yearly datasets are additionally stored in this CRC1211-DB.
# 6
Hoffmeister, Dirk
Abstract: This data link summarizes all meteorological and soil measurements of the permanent weather station "25 - Quebrada de Soga" in the Atacama desert in Chile. The measurement site is located in the central transect of the research regions at the Quebrada de Soga. Recent data are available on the weather station website section (https://www.crc1211db.uni-koeln.de/wd/index.php). Additionaly, detailed information about the station configuration and mounted sensors is given at this website section. The data of this station is collected every hour by a GOES satellite uplink provided by National Oceanic and Atmospheric Administration (U.S. Department of Commerce). In addition, data stored in the station is acquired on a regular time basis, as documented in the section stated above. Please contact the contributor for all further details. Yearly datasets are additionally stored in this CRC1211-DB.
# 7
Hoffmeister, Dirk
Abstract: This data link summarizes all meteorological and soil measurements of the permanent weather station "24 - Quebrada de Aroma" in the Atacama desert in Chile. The measurement site is located in the nothern transect of the research regions at the Quebrada de Aroma. Recent data are available on the weather station website section (https://www.crc1211db.uni-koeln.de/wd/index.php). Additionaly, detailed information about the station configuration and mounted sensors is given at this website section. The data of this station is collected by a Wifi-based connection to the seismic station of the Geoforschungszentrum Potsdam, Germany. In addition, data stored in the station is acquired on a regular time basis, as documented in the section stated above. Please contact the contributor for all further details. Yearly datasets are additionally stored in this CRC1211-DB.
# 8
Hoffmeister, Dirk
Abstract: This data link summarizes all meteorological and soil measurements of the permanent master weather station "23- Cerro Constancia" in the Atacama desert in Chile. Master stations are equipped with further soil and radiations sensors, as well as temperature, humidity and wind sensors in a height of 4 m. The measurement site is located in the nothern transect of the research regions at the Cerro Constancia. Recent data are available on the weather station website section (https://www.crc1211db.uni-koeln.de/wd/index.php). Additionaly, detailed information about the station configuration and mounted sensors is given at this website section. The data of this station is collected every hour by a GOES satellite uplink provided by National Oceanic and Atmospheric Administration (U.S. Department of Commerce) and this station also collects data of station 12 by radio-based communication. In addition, data stored in the station is acquired on a regular time basis, as documented in the section stated above. Please contact the contributor for all further details. Yearly datasets are additionally stored in this CRC1211-DB.
# 9
Hoffmeister, Dirk
Abstract: This data link summarizes all meteorological and soil measurements of the permanent weather station "22- Cerro San Antonio" in the Atacama desert in Chile. The measurement site is located in the nothern transect of the research regions at the Cerro San Antonio. Recent data are available on the weather station website section (https://www.crc1211db.uni-koeln.de/wd/index.php). Additionaly, detailed information about the station configuration and mounted sensors is given at this website section. The data of this station is collected every hour by a GOES satellite uplink provided by National Oceanic and Atmospheric Administration (U.S. Department of Commerce). In addition, data stored in the station is acquired on a regular time basis, as documented in the section stated above. Please contact the contributor for all further details. Yearly datasets are additionally stored in this CRC1211-DB.
# 10
Hoffmeister, Dirk
Abstract: This data link summarizes all meteorological and soil measurements of the permanent weather station "21- Caleta Junin" in the Atacama desert in Chile. The measurement site is located in the nothern transect of the research regions at the Caleta Junin. Recent data are available on the weather station website section (https://www.crc1211db.uni-koeln.de/wd/index.php). Additionaly, detailed information about the station configuration and mounted sensors is given at this website section. The data of this station is collected every hour by a GOES satellite uplink provided by National Oceanic and Atmospheric Administration (U.S. Department of Commerce). In addition, data stored in the station is acquired on a regular time basis, as documented in the section stated above. Please contact the contributor for all further details. Yearly datasets are additionally stored in this CRC1211-DB.
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