AerosolsFourier Transform SpectrometerSciencesMeasurements of atmosphericLidarSpectrometerPhysicsTemperatureGasesAirborneMetrologyCarbonParametersPressureExperimentsParticlesInstrumentCurveSimultaneousFacilityChemistryVariationsWidelyTemperaturesVolumePolarNational Oceanic and AtInstrumentsIntensityStudyDataProceduresCampaignApplicationsEstimatesDetailsWindPresentHighSamplesCertificateTestGround
Aerosols3
- The propagation of pulsed laser radiation along the atmospheric ground paths containing droplet aerosols (fog, drizzle, rain) belongs to a class of problems in nonlinear optics in which the multiple-factor nature and nonadditivity of the processes affecting the transmission of the radiation channel are strongly pronounced. (spie.org)
- Thus, the monitoring of air pollutants is essential to understand and eliminate the effect and threat of suspended particles (atmospheric aerosols). (spiedigitallibrary.org)
- Bryophytes (mosses) have long been used to determine the concentration of heavy metals as an alternative to the collection of atmospheric aerosols. (bvsalud.org)
Fourier Transform Spectrometer2
- Some of the instruments include the Advanced Very High Resolution Radiometer (AVHRR), Along Track Scanning Radiometers (AASTR), Visible Infrared Imaging Radiometer Suite (VIIRS), the Atmospheric Infrared Sounder (AIRS), and the ACE Fourier Transform Spectrometer (ACE‐FTS) on the Canadian SCISAT-1 satellite. (wikipedia.org)
- To independently validate the calibration of the lidar derived from the radiosondes, comparisons are made between the calibrated lidar measurements and water vapour measurements from the ACE satellite-borne Fourier Transform Spectrometer (ACE-FTS). (copernicus.org)
Sciences5
- Browsing School of Marine and Atmospheric Sciences by Author "Larese. (suny.edu)
- 2 Institute of Atmospheric Sciences and Climate, Italian National Research Council (ISAC-CNR), Bologna, Italy . (scirp.org)
- Atmospheric and Climate Sciences , 4 , 796-802. (scirp.org)
- Preprints, 21st Conference on Probability and Statistics in the Atmospheric Sciences , New Orleans, Amer. Meteor. (noaa.gov)
- The Center for Atmospheric and Space Sciences is recognized both nationally and internationally as a progressive research center in advanced space and upper atmospheric research programs. (usu.edu)
Measurements of atmospheric2
- 2.5-year dataset of continuous measurements of atmospheric CO 2 and δ 13 C. (aaqr.org)
- HSRL systems also provides direct measurements of atmospheric extinction. (confex.com)
Lidar3
- The Canadian Network for the Detection of Atmospheric Change and Environment Canada DIAL lidar located at the Polar Environment Atmospheric Research Laboratory (PEARL) in Eureka, Nunavut, has been upgraded to measure water vapour mixing ratio profiles. (copernicus.org)
- The comparisons between the lidar and satellite-borne spectrometer for both a campaign average and single overpasses show favourable agreement between the two instruments and help validate the lidar's calibration. (copernicus.org)
- Since 1993, the Atmospheric Lidar Observatory (ALO) has measured temperatures, densities, and waves in the mesosphere and looked for evidence of global warming. (usu.edu)
Spectrometer1
- The novel SEALDH-II hygrometer, a calibration-free, tuneable diode laser spectrometer, bridges this gap by implementing a new holistic concept to achieve higher accuracy levels in the field. (tu-darmstadt.de)
Physics2
- Atmospheric Chemistry and Physics, 10, 7515-7531. (scirp.org)
- Anticancer therapy using cold atmospheric plasma (CAP) is a rapidly developing field through collaboration with physics, biology, chemistry, and medicine [ 1 - 6 ]. (hindawi.com)
Temperature6
- Since 1978 microwave sounding units (MSUs) on National Oceanic and Atmospheric Administration polar orbiting satellites have measured the intensity of upwelling microwave radiation from atmospheric oxygen, which is related to the temperature of broad vertical layers of the atmosphere. (wikipedia.org)
- The Atmospheric Infrared Sounder on the Aqua satellite, launched in 2002, uses infrared detection to measure near-surface temperature. (wikipedia.org)
- Since this measures infrared emission from carbon dioxide, the atmospheric opacity is higher and hence the temperature is measured at a higher altitude (stratosphere) than microwave measurements. (wikipedia.org)
- These calibrations can be made with three separate calibrators, a low pressure, high pressure and a temperature calibrator or use a multifunction calibration tool designed for this specific task. (fluke.com)
- Temperature calibration of the temperature measurement on the flow computer is done with a single temperature point at the pipeline operating temperature. (fluke.com)
- Integration of terrestrial and marine multi-proxy records allows reconstructions of key climatic parameters, such as temperature, moisture regime, and atmospheric/oceanic circulation patterns. (lu.se)
Gases2
- Both of these trends are consistent with the influence of increasing atmospheric concentrations of greenhouse gases. (wikipedia.org)
- Now greenhouse gases and particles are rapidly added by human activities, altering the atmospheric composition and therefore also the climate conditions. (lu.se)
Airborne1
- Airborne atmospheric measurements from non-core instrument suite data on board the FAAM BAE-146 aircraft during flight 16 for FAAM Test, Calibration, Training and Non-science Flights and other non-specified flight projects. (ceda.ac.uk)
Metrology1
- This paper will present the calibration chamber developed in the framework of the EMRP-METEOMET (Metrology for Meteorology) Project, which aims is to bring metrological traceability to high altitude meteorological instruments and through this experience will provide a general overview on the importance of the application of this methodology at different levels. (scirp.org)
Carbon3
- The sources and sinks of atmospheric carbon dioxide (CO 2 ) play a critical role in governing global climate. (aaqr.org)
- Calibration tools are provided for carbon and water isotope products. (belnet.be)
- Carbon isotope calibration details are found in Fiorella et al. (belnet.be)
Parameters3
- This procedure could be useful to evaluate the proper functioning of the monitoring equipments, but do not allowed the determination of a calibration curve that allow the corrections of the acquired parameters. (scirp.org)
- In this study, we use observations and numerical simulations to investigate the effect of meteorological parameters such as wind and atmospheric pressure on harbour water exchanges. (mdpi.com)
- The astronomical community has already made great efforts towards establishing a reference set of stars, such as the atmospheric parameters and chemical abundances of the Gaia FGK benchmark stars, which are already being widely used for calibration by several pipelines. (lu.se)
Pressure15
- Both mercury chloride and mercury bromide have been sporadically detected in Montreal urban and indoor air using atmospheric pressure chemical ionization-mass spectrometry (APCI-MS). We discuss limitations and advantages of the current technique and discuss potential avenues for future research including quantitative trace measurements of a larger range of mercury compounds. (nih.gov)
- The results show that days with higher renewal times coincide with favourable wind-direction events or increases in atmospheric pressure. (mdpi.com)
- Gas custody transfer flow computers that calculate flow in pipelines by measuring the differential pressure across a flow restriction, such as an orifice plate or other differential pressure flow device, require special calibration to perform at optimum accuracy. (fluke.com)
- Low pressure differential pressure calibration is performed using atmospheric pressure as a low side reference. (fluke.com)
- Static pressure calibration will normally be applied to either the same high-pressure port of the flow computer or both the high- and low-pressure ports. (fluke.com)
- First, plasma-activated medium (PAM) was produced by a 2.45 GHz microwave-excited atmospheric pressure plasma jet (ME-APPJ). (hindawi.com)
- In the present study, we used atmospheric pressure plasma jets (APPJs). (hindawi.com)
- Separated analytes were determined in LC-MS single ion monitoring mode using an atmospheric pressure ionization-electrospray ionization (ESI) interface. (erowid.org)
- The question of whether to perform a pressure calibration in the field or in a controlled laboratory setting is one that presents a challenge to many technicians. (transcat.com)
- In this 30-minute webinar, Tim Francis of Fluke Calibration outlines the key considerations that help guide that decision making process and details some common challenges in pressure calibration. (transcat.com)
- Our webinar topic is In the Field or in the Shop, Overcoming the Challenges in Pressure Calibration. (transcat.com)
- Tim is the Product Marketing Manager for Pressure and Flow and Fluke Calibration. (transcat.com)
- As Nicole said, my Name is Tim Francis from Fluke Calibration, and I have the honor and privilege of talking to you today about Pressure Calibration. (transcat.com)
- There's a lot of vocabulary that's unique to pressure calibration, and in order to make sure that we're increasing our overall knowledge base, we need to make sure that we're using the right vocabulary and the same vocabulary to mean the same things. (transcat.com)
- We'll then talk about some of the different challenges that those doing pressure calibration face, and especially those that affect the decision and the challenges in doing calibration work both in the field and in a laboratory type of environment. (transcat.com)
Experiments1
- 1) proxy calibration and evaluation together with quantification of uncertainty estimates, 2) generation of records with very high temporal and spatial resolution, 3) intensified integration of terrestrial and marine proxy data with modelling experiments. (lu.se)
Particles1
- The candidate particles, ranging from protons to nuclei as massive as iron, generate "extensive air-showers" (EAS) in interactions with air nuclei when en- tering the Earth's atmosphere. (lu.se)
Instrument1
- Data were collected by instrument scientists during the flight before preparation and delivery for archiving at the NCAS British Atmospheric Data Centre. (ceda.ac.uk)
Curve2
- Raw radiocarbon ages measured in samples must be converted to calendar ages using an appropriate calibration curve. (lu.se)
- Tree-ring datasets provide the gold-standard for developing a precise curve of atmospheric radiocarbon levels over long-time scales. (lu.se)
Simultaneous1
- Thus, the development of a dedicated facility for in-situ calibration of weather stations, enabling simultaneous generation of a wide range of temperatures and pressures could offer important improvements in this framework, particularly if this facility is applied to high mountains monitoring stations where the weather stations calibrations could be very difficult. (scirp.org)
Facility1
- Tim works in Fluke Calibrations in the Phoenix Arizona facility. (transcat.com)
Chemistry1
- Measurements were obtained in the February to March polar sunrise during 2007, 2008 and 2009 as part of the Canadian Arctic ACE (Atmospheric Chemistry Experiment) Validation Campaign. (copernicus.org)
Variations2
- Our reconstruction shows higher variations in the amplitude of atmospheric radiocarbon between 18,475 and 17,350 calendar years before the. (lu.se)
- What controls the atmospheric CO 2 and CH 4 variations and the partitioning of emissions between the atmosphere, the ocean and sinks in the biosphere? (lu.se)
Widely1
- The study of the upper atmospheric electric field and plasma drifts using measurements from very large radars and several satellites has led to development of the most widely used empirical global ionospheric plasma drift and electric field models. (usu.edu)
Temperatures2
- CaCO 3 is reacted with an aqueous sodium hydroxide solution by mixing under atmospheric temperatures and pressures. (rsc.org)
- The CO 2 emissions from the decarbonisation of CaCO 3 stem from both the material breakdown and the fossil fuels used to reach decomposition temperatures (∼900 °C). A novel process/concept is presented to decarbonise CaCO 3 at atmospheric temperatures and pressures. (rsc.org)
Volume1
- Atmospheric chlorine dioxide may be sampled by pulling a given volume of air through a toxic gas vapor detector tube. (cdc.gov)
Polar1
- To address this issue, this research proposes a spatially and temporally adaptive reflectance fusion model for measuring atmospheric properties to synthesize high-spatial-temporal resolution images from polar and geostationary satellite imagery for air quality monitoring. (spiedigitallibrary.org)
National Oceanic and At1
- NOAA Technical Memorandum NWS TDL-85, National Oceanic and Atmospheric Administration, U.S. Department of Commerce, 28 pp. (noaa.gov)
Instruments1
- In-situ calibrations of weather stations are usually performed by positioning standard instruments close to the station under calibration and comparing the obtained results. (scirp.org)
Intensity1
- The concentration of the gas or vapor may be estimated by either the length-of-stain compared to a calibration chart or the intensity of the color change compared to a set of standards (EMMI 1997). (cdc.gov)
Study2
- This study presents continuous atmospheric CO 2 and δ 13 C measurements by wavelength-scanned cavity ring down spectroscopy (Picarro G1101-i) at the high-mountain station Schneefernerhaus, Germany. (aaqr.org)
- Data are for 50 d selected from a published lysimeter - weather station calibration study. (usda.gov)
Data1
- NCAS British Atmospheric Data Centre, date of citation . (ceda.ac.uk)
Procedures1
- In a very simple experiment, the effective beam zenith angle has been found to within around 0.2°, which is as good as is required in the most stringent sodar calibration procedures. (ametsoc.org)
Campaign2
- It was found that the calibration varied significantly between each year's campaign. (copernicus.org)
- This campaign was organized in collaboration with the Area of Instrumentation and Atmospheric Research of INTA, with the support of the Global Atmosphere Watch (GAW) programme of the World Meteorological Organization (WMO) and a CEOS CALVAL project of the European Space Agency (ESA). (aemet.es)
Applications2
- Atmospheric Acoustic Remote Sensing: Principles and Applications. (ametsoc.org)
- SODAR calibration for wind energy applications. (ametsoc.org)
Estimates2
- The daily value for Model-1 is the sum of hourly estimates that use a published empirical wind function calibration. (usda.gov)
- The daily value for Model-2 is the sum of hourly estimates that use a published iterative atmospheric-stability-based routine. (usda.gov)
Details1
- In this instance these transmitters may need individual calibration if the test results are not satisfactory (see HART Transmitter Calibration application note or video for more details). (fluke.com)
Wind1
- A new method for calibration of sodar wind speed measurements is described. (ametsoc.org)
Present1
- I will present an overview of our ongoing efforts to ascertain (through direct measurement) the both instrumental response function and the variable aspects of atmospheric transmission, in the context of surveys such as PanSTARRS and LSST. (fnal.gov)
High1
- The AOD retrieved with fused images containing atmospheric effect could have a better performance after comparison with in situ measurements, and therefore, be suggested for high-spatial-temporal aerosol monitoring. (spiedigitallibrary.org)
Samples1
- Section 20(2)(g) enables an inspector to take samples of articles or substances and to take atmospheric samples. (hse.gov.uk)
Certificate1
- Includes traceable calibration certificate. (audon.co.uk)
Test1
- Remove the RTD from the test thermowell and the calibration is complete. (fluke.com)
Ground1
- The manufacturer's calibration in developing countries but also in the From each district 6 ground wa- procedure was followed to obtain the developed world. (who.int)