Hacker, J.M.

Junkermann, W.

Hacker, J. M.

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Cool and wet or coal and dry, how coal fired power generation modifies regional climate   Wolfgang Junkermann1,2 and Jorg Hacker2  1Karlsruhe Institute of Technology, IMK-IFU, Garmisch-Partenkirchen Germany, 2 Flinders University, School of the Environment, Adelaide AustraliaCan regional drought be homemade?REGIONAL CLIMATE CHANGE 1970 – 2010RAINFALL                                                                    BOM, AUSTRALIA, 2010/2011LARGE SCALE CIRCULATION?CCN? Mt.ISA 2* 1018/secSCALE?RAINFALL                                                                    BOM, AUSTRALIA, 2010/2011RAINFALL                                                                    DEWPOINTBOM, AUSTRALIA, 2010/2011 Lucas, 2010, CSIRO/BOM+0.2 o/decade16009 000ANNUAL PRECIPITATION [mm/a], 1970 ‐ 2010120014007 0008 00010005 0006 0006008003 0004 00020002004001 0002 000 4008001200160000 1965 1975 1985 1995 2005 201501900 1920 1940 1960PORT AUGUSTA SA April   ,  ,   2011 / Sept. 201230‐ to 50000 #/cm3 40 kmPORT AUGUSTA       downwind, ~ 0.7 * 1018/secPORT PIRIEREDUCTION OF   CLOUD DROPLET SIZEADELAIDEVisible cloud effects after about 30 km ~ 2 h (HYSPLIT)GRIMM SMPS       TSI 3010    GRIMM 1.108 OPC5‐350 nm           > 10 nm       300 nm – 20 um2 min                  1 sec                   6 secAUGUST  SEPTEMBER 2012<<‐1000 – 1500 AUGUST  SEPTEMBER 20124000 ‐100000<<‐1000 – 1500 KOGAN‐CREEK, SUNSET3 * 1018/sec30000 / 33000 / 25000   19 nm14 nm0 / 14 nmmKOGAN‐CREEK, MORNING1000075006 * 1018/sec00 / 10 nm00 / 12 nm 3 * 1018/sec3 * 1018/secmm 30000 / 33000 / 25000   19 nm14 nm0 / 14 nmm3 * 1018/sec3 * 1018/sec3 * 1018/secANTHROPOGENIC CCN BUDGET FOR QLDPARTICLE PRODUCTION / 600 MW 2* 1018 /s     based on KA  and QLD measurementsPARTICLE PRODUCTION / 8000 MW 2.7*1024 /d     QUEENSLAND PBL VOLUME (1.2 km) 2.1*1021 cm3CALLIDE (since 1966)RES.TIME 5d                >>>>                         + 3500 / cm35 fold enhancement of CCN in QLDEFFECTS OF ENHANCED CCNMORE AND SMALLER CLOUD DROPLETS (LESS LIQUID       WATER?)TEMPORAL, SPATIAL AND INTENSITY REDISTRIBUTION     OF RAINFALLREDUCTION OF NUMBER OF RAINFALL DAYS, CALLIDE (since 1966)INCREASED RAINFALL/DAYPOSSIBLE LOSS OF WATER TO THE OCEAN (FOR COASTAL REGIONS) >> ANNUAL PRECIP.LOSSSUMMARYENHANCED NUMBERS OF ULTRAFINE PARTICLES (CCN / CCN PRECURSORS) IN REMOTE, DROUGHT AFFECTED REGIONS OF             AUSTRALIA FROM COAL FIRED POWER STATIONSNO OTHER COMPARABLE SOURCES IDENTIFIED ‐> HISTORY SUMMARYTRANSPORT > 1500 km AND REGIONAL SCALE ENHANCEMENT ANTHROP. CCN > 5 times NATURAL BACKGROUNDSUFFICIENT FOR THE OBSERVED RAINFALL MODIFICATIONTHANK YOU FOR YOUR ATTENTION       Qld coal.lnk_What‘s the climate effect of increased nucleation mode particles?Western Australiaregional scale production of ultrafine aerosol following drastic land cover changeRAINFALLSURFACE RUNOFFUniform land useUniform land useBEGIN OF UF‐PARTICLE PRODUCTION ?     CLIMATE/PRECIPITATION H O TRENDS  2  TRENDS IN MONTHLY     MEDIAN DEWPOINT AT 9:00 BLUE INCREASINGRED DECREASING+0.25 C / DECADE40 km20000red)TSI301010000> 10 nm (rARTICLES >3000]3000m]0PAWEST EAST2000UDE [m]2000UDE [mPBLPBL01000ALTITU01000ALTIT0 10000 20000NUMBER OF PARTICLES0 10000 20000NUMBER OF PARTICLESH2O(g) LWC %EFFECT OF INCREASED CCN NUMBERS ON CLOUDSNAT (198) 6.1 0.15 2.4AGR (247) 8 8 0 10 1 1   . . .g/m3FORESTWHEATJunkermann et al, ACP, 2009, AustraliaWang and Feingold, 2009a

Cool and wet of coal and dry, how coal fired power generation modifies regional climate

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Cool and wet of coal and dry, how coal fired power generation modifies regional climate

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