INDOFLUX NETWORK POSSIBLE CONTRIBUTION OF RRL BHUBANESWAR DR. G. ROY CHAUDHURY SCIENTIST REGIONAL RESEARCH LABORATORY, BHUBANESWAR.

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Presentation transcript:

INDOFLUX NETWORK POSSIBLE CONTRIBUTION OF RRL BHUBANESWAR DR. G. ROY CHAUDHURY SCIENTIST REGIONAL RESEARCH LABORATORY, BHUBANESWAR

Comparison of different greenhouse gases CO 2 CH 4 CFC-11CFC-12N2ON2O Concentration Pre-industrial Current ppm ppm ppt ppt ppb Atmospheric lifetime (yrs) Radiative forcing per molecule relative to CO ,00015,800296

WORK DONE AT RRL  GROUP WORKING IN GHG SINCE 1991  PART OF NATIONAL METHANE CAMPAIGN, METHANE ASIA CAMPAIGN, ASIAN LOW- COST GHG ABATEMENT TECHNOLOGY, NATIONAL COMMUNICATION TO UN FRAMEWORK CONVENTION on CLIMATE CHANGE etc.  GHG FLUX COLLECTION, SOPHISTICATED ANALYZER & PORTABLE DATA COLLECTORS AVAILABLE

WORK DONE AT RRL DRY & WET PRECIPITATION CHEMISTRY AT RURAL BACKGROUND SITE SINCE 1996 – LONGEST RECORD ON FORESTED AREA IN INDIA AEROSOL COLLECTION & ANALYSIS THROUGH PASSIVE AND ACTIVE COLLECTORS EFFECT OF ATMSOPHERIC POLLUTION – CORROSION OF STRUCTURAL MATERIALS

INTERNATIONAL COLLABORATIONS METEOROLOGY INSTITUTE, STOCKHOLM UNIVERSITY, STOCKHOLM SWEDISH ENVRIONMENTAL LABORATORY, GOTHENBURG MATERIALS CORROSION INSTITUTE, STOCKHOLM COMMITTEE ON ATMOSPHERIC PRECIPITATION – STEERING COMMITTEE MEMBER SCIENTIFIC MEMBER, MALE DECLARATION

FACILITIES & EXPERTISE AUTOMATIC WETONLY & BULK COLLECTORS

PASSIVE AEROSOL COLLECTORS

ACTIVE AEROSOL COLLECTORS – DENUDERS

AUTOMATIC WEATHER MONITORING STATION SOLAR CELL/BATTERY OPERATED DOWNLOADED AT REGULAR INTERVALS TO A LAPTOP * TEMPERATURE * WIND DIRECTION & SPEED * RELATIVE HUMIDITY * RAIN FALL

INSTRUMENTAL FACILITIES STATE-OF ART EQUIPMENTS GC WITH METHANIZER IC. XRD/XRF ICP-MS. NMR SEM. TEM AETHALOMETER GRIMM’S SPECTROMETER

IMPORTANT FINDINGS GHG emission from rice and pulse cultivation Rice Methane E SIF3.3gm/m 2 Rainy season 1.97gm/m 2 Kharif season NO mgm/m mgm/m 2 Pulses NO2

IMPORTANT FINDINGS Factors affecting 1.Soil temperature 2.Fertiliser addition 3.Soil redox potential 4.Soil organic content

IMPORTANT FINDINGS WET AND BULK COLLECTOR 6.6 AND 7 µEQ/LT RESPECTIVELY ACID VALUE. THE VALUES OF ANIONS LIKE Cl, F, NO3, SO4, ACETATE AND FORMATE INCREASING

IMPORTANT FINDINGS  ACIDITY OF RAINWATER, AEROSOLS & PARTICULATE MATTER INCREASING  NUMBER OF ACIDIC (pH <5.6) RAIN EVENTS INCREASING  NEUTRALIZING/ BUFFERING CAPACITY DECREASING  POLLUTANTS ARE MOSTLY OF CONTINENTAL ORIGIN  CORROSION OF MATERIALS ARE SIGNIFICANT

INDOFLUX – BASIC REQUIREMENTS NETWORK SITES IN SOURCE/ SINK REGIONS LONGTERM MEASURING EXPERIENCE & EXPERTISE DISTINCTION BETWEEN NATURAL & ANTHROPOGENIC FLUXES THROUGH SOURCE APORTIONMENT QA/QC & INTERCOMPARISON IN NET- WORK MODE

OBJECTIVES OF RRL STUDY TO SET-UP A MICRO-MET TOWER WITH ALL SENSORS/REGULATORS AS PER INDOFLUX PROTOCOL AT THE EXISTING RURAL STATION OF BHUBANESWAR TO ENGAGE GAS SENSORS FOR CONTINUOUS MONITORING OF TRACE COMPONENTS LIKE WATER VAPOR, CO 2, NET ECO-SYSTEM EXCHANGE, BIOMASS ENTHALPY CHANGE AND METABOLIC HEAT STORAGE, TRACE GAS EMISSIONS FROM TERRESTRIAL SOURCES etc.

OBJECTIVES OF RRL STUDY-2 TO CONTINUOUSLY MONITOR AEROSOL, DRY AND WET DEPOSITIONS TO MONITOR CHANGES IN CHEMICAL COMPOSITION OF SOIL, PARTICULARLY NUTRIENT DEPLETION/AVAILABILITY TO ANALYZE SAMPLES AND INTERPRET DATA TO PARTICIPATE IN QA/QC EXERCISE

THANKS