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@ARTICLE{Riable2006, AUTHOR = {Riable, C. C. and Della-Marta, P. M. and Schwierz, C. and Wernli, H. and Blender, R.}, TITLE = {Northern Hemisphere Midlatitude Cyclones: A Comparison of Detection and Tracking Methods and Different Reanalyses}, JOURNAL = {Monthly Weather Review}, YEAR = {2007}, VOLUME = {In revision}, OWNER = {del}, PDF = {Riable2007.pdf}, TIMESTAMP = {2006.11.06} }
@ARTICLE{Della-Marta2007, AUTHOR = {Della-Marta, P. M. and Luterbacher, J. and von Weissenfluh, H. and Xoplaki, E. and Brunet, M. and Wanner, H.}, TITLE = {Summer heat waves over western Europe 1880--2003, their relationship to large scale forcings and predictability}, JOURNAL = {Climate Dynamics}, YEAR = {2007}, DOI = {10.1007/s00382-007-0233-1}, OWNER = {del}, PDF = {\Della-Marta2007.pdf}, TIMESTAMP = {2007.01.18} }
@ARTICLE{Della-Marta2006b, AUTHOR = {Della-Marta, P. M. and Haylock, M. R. and Luterbacher, J. and Wanner, H.}, TITLE = {The length of western European summer heatwaves has doubled since 1880}, JOURNAL = {Journal of Geophysical Research - Atmospheres}, YEAR = {2007}, VOLUME = {Submitted}, OWNER = {del}, TIMESTAMP = {2007.01.18} }
@ARTICLE{Brunet2007, AUTHOR = {Brunet, M. and Jones, P. D. and Sigró, J. and Saladié, O. and Aguilar, E. and Moberg, A. and Della-Marta, P. M. and Lister, D. and Walther, A. and López, D.}, TITLE = {Temporal and spatial temperature variability and change over Spain during 1850-2003}, JOURNAL = {Journal of Geophysical Research - Atmospheres}, YEAR = {2007}, VOLUME = {In Press}, OWNER = {del}, TIMESTAMP = {2006.12.31} }
@ARTICLE{Philipp2006, AUTHOR = {Philipp, A. and Della-Marta, P. M. and Jacobeit, J. and Fereday, D. R. and Jones, P. D. and Moberg, A. and Wanner, H.}, TITLE = {Long term variability of daily North Atlantic--European pressure patterns since 1850 classified by simulated annealing clustering}, JOURNAL = {Journal of Climate}, YEAR = {2006}, VOLUME = {Accepted}, OWNER = {del}, PDF = {Philipp2006.pdf}, TIMESTAMP = {2006.08.01} }
@ARTICLE{Moberg2006, AUTHOR = {Moberg, A. and Jones, P. D. and Lister, D. and Walther, A. and Brunet, M. and Jacobeit, J. and Alexander, L. V. and Della-Marta, P. M. and Luterbacher, J. and Yiou, P. and Chen, D. L. and Tank, A. M. G. K. and Saladie, O. and Sigro, J. and Aguilar, E. and Alexandersson, H. and Almarza, C. and Auer, I. and Barriendos, M. and Begert, M. and Bergstrom, H. and Bohm, R. and Butler, C. J. and Caesar, J. and Drebs, A. and Founda, D. and Gerstengarbe, F. W. and Micela, G. and Maugeri, M. and Osterle, H. and Pandzic, K. and Petrakis, M. and Srnec, L. and Tolasz, R. and Tuomenvirta, H. and Werner, P. C. and Linderholm, H. and Philipp, A. and Wanner, H. and Xoplaki, E.}, TITLE = {Indices for daily temperature and precipitation extremes in Europe analyzed for the period 1901-2000}, JOURNAL = {Journal Of Geophysical Research-Atmospheres}, YEAR = {2006}, VOLUME = {111}, PAGES = {D22106}, NUMBER = {D22}, MONTH = NOV, ABSTRACT = {We analyze century-long daily temperature and precipitation records for stations in Europe west of 60 degrees E. A set of climatic indices derived from the daily series, mainly focusing on extremes, is defined. Linear trends in these indices are assessed over the period 1901-2000. Average trends, for 75 stations mostly representing Europe west of 20 degrees E, show a warming for all temperature indices. Winter has, on average, warmed more (similar to 1.0 degrees C/100 yr) than summer (similar to 0.8 degrees C), both for daily maximum (TX) and minimum (TN) temperatures. Overall, the warming of TX in winter was stronger in the warm tail than in the cold tail (1.6 and 1.5 degrees C for 98th and 95th, but similar to 1.0 degrees C for 2nd, 5th and 10th percentiles). There are, however, large regional differences in temperature trend patterns. For summer, there is a tendency for stronger warming, both for TX and TN, in the warm than in the cold tail only in parts of central Europe. Winter precipitation totals, averaged over 121 European stations north of 40 degrees N, have increased significantly by similar to 12% per 100 years. Trends in 90th, 95th and 98th percentiles of daily winter precipitation have been similar. No overall long-term trend occurred in summer precipitation totals, but there is an overall weak (statistically insignificant and regionally dependent) tendency for summer precipitation to have become slightly more intense but less common. Data inhomogeneities and relative sparseness of station density in many parts of Europe preclude more robust conclusions. It is of importance that new methods are developed for homogenizing daily data.}, AF = {Moberg, AndersEOLEOLJones, Philip D.EOLEOLLister, DavidEOLEOLWalther, AlexanderEOLEOLBrunet, ManolaEOLEOLJacobeit, JucundusEOLEOLAlexander, Lisa V.EOLEOLDella-Marta, Paul M.EOLEOLLuterbacher, JuergEOLEOLYiou, PascalEOLEOLChen, DeliangEOLEOLTank, Albert M. G. KleinEOLEOLSaladie, OscarEOLEOLSigro, JavierEOLEOLAguilar, EnricEOLEOLAlexandersson, HansEOLEOLAlmarza, CarlosEOLEOLAuer, IngeborgEOLEOLBarriendos, MarianoEOLEOLBegert, MichaelEOLEOLBergstroem, HansEOLEOLBoehm, ReinhardEOLEOLButler, C. J.EOLEOLCaesar, JohnEOLEOLDrebs, AchimEOLEOLFounda, DmitraEOLEOLGerstengarbe, Friedrich-WilhelmEOLEOLMicela, GiusiEOLEOLMaugeri, MaurizioEOLEOLOsterle, HermannEOLEOLPandzic, KresoEOLEOLPetrakis, MichaelEOLEOLSrnec, LidijaEOLEOLTolasz, RadimEOLEOLTuomenvirta, HeikkiEOLEOLWerner, Peter C.EOLEOLLinderholm, HansEOLEOLPhilipp, AndreasEOLEOLWanner, HeinzEOLEOLXoplaki, Elena}, DI = {ARTN D22106}, KEYWORDS = {SURFACE AIR-TEMPERATURE; PRESSURE SERIES; ALPINE REGION; TIME-SERIES; TRENDS; VARIABILITY; HOMOGENIZATION; 20TH-CENTURY; HOMOGENEITY; INSURERS}, OWNER = {del}, PDF = {\Moberg2006.pdf}, TIMESTAMP = {2006.10.01}, UT = {ISI:000242176200011} }
@ARTICLE{Della-Marta2006, AUTHOR = {Della-Marta, P. M. and Wanner, H.}, TITLE = {A method of homogenizing the extremes and mean of daily temperature measurements}, JOURNAL = {Journal Of Climate}, YEAR = {2006}, VOLUME = {19}, PAGES = {4179--4197}, NUMBER = {17}, MONTH = SEP, ABSTRACT = {To be confident in the analyses of long-term changes in daily climate extremes, it is necessary for the data to be homogenized because of nonclimatic influences. Here a new method of homogenizing daily temperature data is presented that is capable of adjusting not only the mean of a daily temperature series but also the higher-order moments. This method uses a nonlinear model to estimate the relationship between a candidate station and a highly correlated reference station. The model is built in a homogeneous subperiod before an inhomogeneity and is then used to estimate the observations at the candidate station after the inhomogeneity using observations from the reference series. The differences between the predicted and observed values are binned according to which decile the predicted values fit in the candidate station's observed cumulative distribution function defined using homogeneous daily temperatures before the inhomogeneity. In this way, adjustments for each decile were produced. This method is demonstrated using February daily maximum temperatures measured in Graz, Austria, and an artificial dataset with known inhomogeneities introduced. Results show that given a suitably reliable reference station, this method produces reliable adjustments to the mean, variance, and skewness.}, AF = {Della-Marta, P. M.}, KEYWORDS = {PRECIPITATION SERIES; AIR-TEMPERATURE; HOMOGENEITY ADJUSTMENTS; PRESSURE SERIES; TIME-SERIES; VARIABILITY; RECORDS; 20TH-CENTURY; AUSTRALIA; DATASET}, OWNER = {del}, PDF = {\Della-Marta2006.pdf}, TIMESTAMP = {2006.09.01}, UT = {ISI:000240676000004} }
@ARTICLE{Ansell2006, AUTHOR = {Ansell, T. J. and Jones, P. D. and Allan, R. J. and Lister, D. and Parker, D. E. and Brunet, M. and Moberg, A. and Jacobeit, J. and Brohan, P. and Rayner, N. A. and Aguilar, E. and Alexandersson, H. and Barriendos, M. and Brandsma, T. and Cox, N. J. and Della-Marta, P. M. and Drebs, A. and Founda, D. and Gerstengarbe, F. and Hickey, K. and Jonsson, T. and Luterbacher, J. and Nordli, O. and Oesterle, H. and Petrakis, M. and Philipp, A. and Rodwell, M. J. and Saladie, O. and Sigro, J. and Slonosky, V. and Srnec, L. and Swail, V. and Garcia-Suarez, A. M. and Tuomenvirta, H. and Wang, X. and Wanner, H. and Werner, P. and Wheeler, D. and Xoplaki, E.}, TITLE = {Daily mean sea level pressure reconstructions for the European-North Atlantic region for the period 1850-2003}, JOURNAL = {Journal Of Climate}, YEAR = {2006}, VOLUME = {19}, PAGES = {2717--2742}, NUMBER = {12}, MONTH = JUN, ABSTRACT = {The development of a daily historical European-North Atlantic mean sea level pressure dataset (EMSLP) for 1850-2003 on a 5 latitude by longitude grid is described. This product was produced using 86 continental and island stations distributed over the region 25 degrees-70 degrees N, 70 degrees W-50 degrees E blended with marine data from the International Comprehensive Ocean-Atmosphere Data Set (ICOADS). The EMSLP fields for 1850-80 are based purely on the land station data and ship observations. From 1881, the blended land and marine fields are combined with already available daily Northern Hemisphere fields. Complete coverage is obtained by employing reduced space optimal interpolation. Squared correlations (r(2)) indicate that EMSLP generally captures 80%-90% of daily variability represented in an existing historical mean sea level pressure product and over 90% in modern 40-yr European Centre for Medium-Range Weather Forecasts Re-Analyses (ERA-40) over most of the region. A lack of sufficient observations over Greenland and the Middle East, however, has resulted in poorer reconstructions there. Error estimates, produced as part of the reconstruction technique, flag these as regions of low confidence. It is shown that the EMSLP daily fields and associated error estimates provide a unique opportunity to examine the circulation patterns associated with extreme events across the European-North Atlantic region, such as the 2003 heat wave, in the context of historical events.}, KEYWORDS = {PRECIPITATION}, OWNER = {del}, PDF = {Ansell2006.pdf}, TIMESTAMP = {2006.06.15}, UT = {ISI:000238634500005} }
@ARTICLE{Nicholls2005, AUTHOR = {Nicholls, N. and Baek, H. J. and Gosai, A. and Chambers, L. E. and Choi, Y. and Collins, D. and Della-Marta, P. M. and Griffiths, G. M. and Haylock, M. R. and Iga, N. and Lata, R. and Maitrepierre, L. and Manton, M. J. and Nakamigawa, H. and Ouprasitwong, N. and Solofa, D. and Tahani, L. and Thuy, D. T. and Tibig, L. and Trewin, B. and Vediapan, K. and Zhai, P.}, TITLE = {The El Nino-Southern Oscillation and daily temperature extremes in east Asia and the west Pacific}, JOURNAL = {Geophysical Research Letters}, YEAR = {2005}, VOLUME = {32}, PAGES = {L16714}, NUMBER = {16}, MONTH = AUG, ABSTRACT = {The numbers of warm nights and hot days, across most of the east Asia - west Pacific region, increase substantially in the year after the onset of an El Nino event. The number of cool days and cold nights tend to decrease, although the relationship with El Nino is weaker for these variables. The relationship is confounded, for warm nights and hot days, by a strong increasing trend in the numbers of extremes not matched by a trend in the El Nino. Removal of this trend leads to even stronger correlations with the El Nino. Strong correlations exist between some of the extremes indices and an index of the El Nino-Southern Oscillation in months prior to the occurrence of the extremes, indicating that predictions of the frequency of extreme temperatures across the region should be feasible.}, DI = {ARTN L16714}, OWNER = {del}, PDF = {\Nicholls2005.pdf}, TIMESTAMP = {2005.01.01}, UT = {ISI:000231726800001} }
@ARTICLE{Griffiths2005, AUTHOR = {Griffiths, G. M. and Chambers, L. E. and Haylock, M. R. and Manton, M. J. and Nicholls, N. and Baek, H. J. and Choi, Y. and Della-Marta, P. M. and Gosai, A. and Iga, N. and Lata, R. and Laurent, V. and Maitrepierre, L. and Nakamigawa, H. and Ouprasitwong, N. and Solofa, D. and Tahani, L. and Thuy, D. T. and Tibig, L. and Trewin, B. and Vediapan, K. and Zhai, P.}, TITLE = {Change in mean temperature as a predictor of extreme temperature change in the Asia-Pacific region}, JOURNAL = {International Journal Of Climatology}, YEAR = {2005}, VOLUME = {25}, PAGES = {1301--1330}, NUMBER = {10}, MONTH = AUG, ABSTRACT = {Trends (1961 -2003) in daily maximum and minimum temperatures, extremes and variance were found to be spatially coherent across the Asia-Pacific region. The majority of stations exhibited significant trends: increases in mean maximum and mean minimum temperature, decreases in cold nights and cool days, and increases in warm nights. No station showed a significant increase in cold days or cold nights, but a few sites showed significant decreases in hot days and warm nights. Significant decreases were observed in both maximum and minimum temperature standard deviation in China, Korea and some stations in Japan (probably reflecting urbanization effects), but also for some Thailand and coastal Australian sites. The South Pacific convergence zone (SPCZ) region between Fiji and the Solomon Islands showed a significant increase in maximum temperature variability. Correlations between mean temperature and the frequency of extreme temperatures were strongest in the tropical Pacific Ocean from French Polynesia to Papua New Guinea, Malaysia, the Philippines, Thailand and southern Japan. Correlations were weaker at continental or higher latitude locations, which may partly reflect urbanization. For non-urban stations, the dominant distribution change for both maximum and minimum temperature involved a change in the mean, impacting on one or both extremes, with no change in standard deviation. This occurred from French Polynesia to Papua New Guinea (except for maximum temperature changes near the SPCZ), in Malaysia, the Philippines, and several outlying Japanese islands. For urbanized stations the dominant change was a change in the mean and variance, impacting on one or both extremes. This result was particularly evident for minimum temperature. The results presented here, for non-urban tropical and maritime locations in the Asia-Pacific region, support the hypothesis that changes in mean temperature may be used to predict changes in extreme temperatures. At urbanized or higher latitude locations, changes in variance should be incorporated. Copyright (c) 2005 Royal Meteorological Society.}, DE = {Asia-Pacific; temperature; mean; extreme; variance; correlation;EOLEOLurbanization}, KEYWORDS = {URBAN HEAT-ISLAND; SOUTH-PACIFIC; DAILY RAINFALL; TRENDS; CLIMATE; EVENTS; VARIABILITY; 20TH-CENTURY; MAXIMUM; KOREA}, OWNER = {del}, PDF = {\Griffiths2005.pdf}, TIMESTAMP = {2005.01.01}, UT = {ISI:000231326500002} }
@ARTICLE{Page2004, AUTHOR = {Page, C. M. and Nicholls, N. and Plummer, N. and Trewin, B. and Manton, M. and Alexander, L. and Chambers, L. E. and Choi, Y. and Collins, D. A. and Gosai, A. and Della-Marta, P. and Haylock, M. R. and Inape, K. and Laurent, V. and Maitrepierre, L. and Makmur, E. E. P. and Nakamigawa, H. and Ouprasitwong, N. and McGree, S. and Pahailad, J. and Salinger, M. J. and Tibig, L. and Tran, T. D. and Vediapan, K. and Zhai, P.}, TITLE = {Data rescue in the Southeast Asia and South Pacific region - Challenges and opportunities}, JOURNAL = {Bulletin Of The American Meteorological Society}, YEAR = {2004}, VOLUME = {85}, PAGES = {1483--1489}, NUMBER = {10}, MONTH = OCT, OWNER = {del}, PDF = {\Page2004.pdf}, TIMESTAMP = {2004.01.01}, UT = {ISI:000224689900009} }
@ARTICLE{Nicholls2004, AUTHOR = {Nicholls, N. and Della-Marta, P. and Collins, D.}, TITLE = {20th century changes in temperature and rainfall in New South Wales}, JOURNAL = {Australian Meteorological Magazine}, YEAR = {2004}, VOLUME = {53}, PAGES = {263--268}, NUMBER = {4}, MONTH = DEC, ABSTRACT = {Mean annual maximum temperatures increased across nearly all of Australia during the 20th century. The major exception was in parts of central and eastern New South Wales where mean maximum temperatures decreased somewhat. Variations in mean maximum temperatures in New South Wales are strongly (negatively) associated with rainfall variations. Temperatures in New South Wales decreased very rapidly in the space of a few years in mid-century, and this decrease was associated with a similarly rapid rainfall increase. Since the middle of the century, mean maximum temperatures have increased, largely independent of any rainfall change. In the early 1970s mean maximum temperatures increased sharply, unaccompanied by any decrease in rainfall. The simultaneity of the rainfall increase and temperature decrease in mid-century suggests that this was a 'natural' fluctuation. The absence of a substantial decrease in rainfall accompanying the warming of the last few decades suggests that another process may be affecting the temperature. One candidate for this would be the enhanced greenhouse effect. Changes in the frequency or intensity of the El Nino - Southern Oscillation do not appear to be able to account for either the mid-century cooling or the late century warming.}, KEYWORDS = {AUSTRALIAN RAINFALL; VARIABILITY; DATASET; OSCILLATION; CLIMATE; IMPACT}, OWNER = {del}, PDF = {\Nicholls2004.pdf}, TIMESTAMP = {2004.01.01}, UT = {ISI:000227361100003} }
@ARTICLE{Della-Marta2004, AUTHOR = {Della-Marta, P. and Collins, D. and Braganza, K.}, TITLE = {Updating Australia's high-quality annual temperature dataset}, JOURNAL = {Australian Meteorological Magazine}, YEAR = {2004}, VOLUME = {53}, PAGES = {75--93}, NUMBER = {2}, MONTH = JUN, ABSTRACT = {An updated and improved version of the Australian high-quality annual mean temperature dataset of Torok and Nicholls (1996) has been produced. This was achieved by undertaking a thorough post-1993 homogeneity assessment using a number of objective and semi-objective techniques, by matching closed records onto continuing records, and by adding some shorter duration records in data-sparse regions. Each record has been re-assessed for quality on the basis of recent metadata, resulting in many records being rejected from the dataset. In addition, records have been re-examined for possible urban contamination using some new approaches. This update has highlighted the need for accurate and complete station metadata. It has also demonstrated the value of at least two years of overlapping observations for major site changes to ensure the homogeneity of the climate record. A total of 133 good-quality, homogenised records have been produced. A non-urban subset of 99 stations provides reliable calculations of Australia's annual mean temperature anomalies with observation error variances between 15 and 25 per cent of the total variance and decorrelation length scales greater than the average inter-station separation.}, KEYWORDS = {SERIES}, OWNER = {del}, PDF = {\Della-Marta2004.pdf}, TIMESTAMP = {2004.01.01} }
@ARTICLE{Frich2002, AUTHOR = {Frich, P. and Alexander, L. V. and Della-Marta, P. and Gleason, B. and Haylock, M. and Tank, A. M. G. K. and Peterson, T.}, TITLE = {Observed coherent changes in climatic extremes during the second half of the twentieth century}, JOURNAL = {Climate Research}, YEAR = {2002}, VOLUME = {19}, PAGES = {193--212}, NUMBER = {3}, MONTH = JAN, ABSTRACT = {A new global dataset of derived indicators has been compiled to clarify whether frequency and/or severity of climatic extremes changed during the second half of the 20th century, This period provides the best spatial coverage of homogenous daily series, which can be used for calculating the proportion of global land area exhibiting a significant change in extreme or severe weather. The authors chose 10 indicators of extreme climatic events, defined from a larger selection, that could be applied to a large variety of climates. It was assumed that data producers were more inclined to release derived data in the form of annual indicator time series than releasing their original daily observations. The indicators are based on daily maximum and minimum temperature series, as well as daily totals of precipitation, and represent changes in all seasons of the year. Only time series which had 40 yr or more of almost complete records were used, A total of about 3000 indicator time series were extracted from national climate archives and collated into the unique dataset described here. Global maps showing significant changes from one multi-decadal period to another during the interval from 1946 to 1999 were produced. Coherent spatial patterns of statistically significant changes emerge, particularly an increase in warm summer nights, a decrease in the number of frost days and a decrease in intra-annual extreme temperature range. All but one of the temperature-based indicators show a significant change. Indicators based on daily precipitation data show more mixed patterns of change but significant increases have been seen in the extreme amount derived from wet spells and number of heavy rainfall events. We can conclude that a significant proportion of the global land area was increasingly affected by a significant change in climatic extremes during the second half of the 20th century. These clear signs of change are very robust; however, large areas are still not represented, especially Africa and South America.}, DE = {observed climatic extremes; derived indicators; temperature;EOLEOLprecipitation; climate monitoring; global change}, KEYWORDS = {AUSTRALIA; NETWORK; TRENDS}, OWNER = {del}, PDF = {\Frich2002.pdf}, TIMESTAMP = {2002.01.01}, UT = {ISI:000174335500002} }
@ARTICLE{Manton2001, AUTHOR = {Manton, M. J. and Della-Marta, P. M. and Haylock, M. R. and Hennessy, K. J. and Nicholls, N. and Chambers, L. E. and Collins, D. A. and Daw, G. and Finet, A. and Gunawan, D. and Inape, K. and Isobe, H. and Kestin, T. S. and Lefale, P. and Leyu, C. H. and Lwin, T. and Maitrepierre, L. and Ouprasitwong, N. and Page, C. M. and Pahalad, J. and Plummer, N. and Salinger, M. J. and Suppiah, R. and Tran, V. L. and Trewin, B. and Tibig, I. and Yee, D.}, TITLE = {Trends in extreme daily rainfall and temperature in Southeast Asia and the South Pacific: 1961-1998}, JOURNAL = {International Journal Of Climatology}, YEAR = {2001}, VOLUME = {21}, PAGES = {269--284}, NUMBER = {3}, MONTH = MAR, ABSTRACT = {Trends in extreme daily temperature and rainfall have been analysed from 1961 to 1998 for Southeast Asia and the South Pacific. This 38-year period was chosen to optimize data availability across the region. Using high-quality data from 91 stations in 15 countries, significant increases were detected in the annual number of hot days and warm nights, with significant decreases in the annual number of cool days and cold nights. These trends in extreme temperatures showed considerable consistency across the region. Extreme rainfall trends were generally less spatially coherent than were those for extreme temperature. The number of rain days (with at least 2 mm of rain) has decreased significantly throughout Southeast Asia and the western and central South Pacific, but increased in the north of French Polynesia, in Fiji, and at some stations in Australia. The proportion of annual rainfall from extreme events has increased at a majority of stations. The frequency of extreme rainfall events has declined at most stations (but not significantly), although significant increases were detected in French Polynesia. Trends in the average intensity of the wettest rainfall events each year were generally weak and not significant. Copyright (C) 2001 Royal Meteorological Society.}, DE = {Australasia; climate change; climate extremes; precipitation; SoutheastEOLEOLAsia; South Pacific; temperature}, KEYWORDS = {AUSTRALIAN REGION; CLIMATE EXTREMES; NEW-ZEALAND; PRECIPITATION; INDICATORS; INDEXES; EVENTS}, OWNER = {del}, PDF = {\Manton2001.pdf}, TIMESTAMP = {2001.01.01}, UT = {ISI:000167917400001} }
@ARTICLE{Della-Marta2001, AUTHOR = {Della-Marta, P. M.}, TITLE = {Seasonal climate summary southern hemisphere (summer 1999/2000): a second successive weak cool episode (La Nina) reaches maturity}, JOURNAL = {Australian Meteorological Magazine}, YEAR = {2001}, VOLUME = {50}, PAGES = {65--75}, NUMBER = {1}, MONTH = MAR, ABSTRACT = {Southern hemisphere atmospheric and oceanic patterns for summer 1999/2000 are reviewed, with emphasis given to the tropical Pacific Ocean and the Australian region. A second successive cool phase in the equatorial Pacific reached maturity by mid-summer. The atmosphere lagged, with an enhanced Walker circulation reaching its peak by the end of summer. A large pool of warmer than normal water remained in the western equatorial Pacific. In the Australian region, warm SSTs surrounded most of the continent, the only exception being parts of the east coast. Very warm SSTs were located along, and to the southwest of the Western Australian coast. Centres of anomalously high mean sea-level pressure were well south of their climatological positions, with Australia dominated by moist monsoonal northerly flow. Areas of cyclonicity developed off both the northwest and northeast coasts throughout summer. These were most marked in the west in December, and in the northeast later in the season. In general, wet and cool conditions occurred over most of the continent. The Australian average summer rainfall was the third highest on record, surpassed only by the distinctly wet mid-1970s La Nina events. Western Australia experienced its wettest summer on record and during the 1990s has recorded four out of the ten wettest summers on record. Exceptions were a dry eastern New South Wales and a warm west coast and southern eastern Australia.}, KEYWORDS = {TROPICAL PACIFIC; OSCILLATION; CYCLONES; EVENT}, OWNER = {del}, PDF = {\Della-Marta2001.pdf}, TIMESTAMP = {2001.01.01}, UT = {ISI:000168006900005} }
@ARTICLE{Collins2000, AUTHOR = {Collins, D. A. and Della-Marta, P. M. and Plummer, N. and Trewin, B. C.}, TITLE = {Trends in annual frequencies of extreme temperature events in Australia}, JOURNAL = {Australian Meteorological Magazine}, YEAR = {2000}, VOLUME = {49}, PAGES = {277--292}, NUMBER = {4}, MONTH = DEC, ABSTRACT = {A number of indices have been developed to investigate recent changes in the annual frequencies of extreme temperature events in Australia. A high-quality daily temperature dataset including 88 station records is used to determine trends in these indices, generally over the period 1957 to 1996. Indices investigated include measures of the frequencies of daily maximum and minimum temperatures above and below fixed temperature thresholds, as well as frequencies above and below specified percentile levels. Trends in consecutive days and nights of extreme temperature are also considered. These trends indicate that occurrences of warm temperature extreme events have generally increased over the investigation period, whilst numbers of extremely cool temperature events have decreased. The trends are particularly strong for indices based on minimum temperature, with many statistically significant at the 95 per cent confidence level. Some of the trends display considerable regional variation. Examples of this are a downward trend in the frequency of warm extremes in parts of the far southeast, counter to the national trend, and an especially strong decrease in the frequency of relatively cool days along the east coast. A number of measures of daily temperature variability are also examined with many records showing significant declines for these indices. These trends may provide the first evidence of decreases in intraseasonal temperature variability consistent with those observed over large parts of the northern hemisphere landmass.}, KEYWORDS = {CLIMATE EXTREMES; VARIABILITY; 20TH-CENTURY; DATASET}, OWNER = {del}, TIMESTAMP = {2000.01.01}, UT = {ISI:000166326900002} }
@ARTICLE{Collins1999, AUTHOR = {Collins, D. A. and Della-Marta, P. M.}, TITLE = {Annual climate summary 1998: Australia's warmest year on record}, JOURNAL = {Australian Meteorological Magazine}, YEAR = {1999}, VOLUME = {48}, PAGES = {273--283}, NUMBER = {4}, MONTH = DEC, ABSTRACT = {A high-quality dataset developed to monitor long-term temperature trends in Australia has been updated. The annual mean time-series indicates that in 1998 Australia recorded its highest ever annual mean temperature since the start of the high-quality record in 1910, The largest contribution to the record temperature came from much higher than usual minimum temperatures throughout the northern half of the continent. High-quality rainfall and cloud cover datasets have also been updated. Greater than average cloud cover during 1998 contributed to milder overnight temperatures and generally wetter than average conditions through most of the country. The result of a warm, wet and cloudy year during 1998 is unusual in the instrumental record for Australia as studies of interannual climate variations indicate that mean temperature is generally out of phase with both rainfall and cloud cover. However, these apparent inconsistencies support the suggestion made by previous studies that the relationship between Australian temperature and rainfall changed abruptly during the early 1970s.}, KEYWORDS = {SOUTHERN OSCILLATION; EL-NINO; TEMPERATURE; RAINFALL; TRENDS; DATASET}, OWNER = {del}, PDF = {\Collins1999.pdf}, TIMESTAMP = {1999.01.01}, UT = {ISI:000084967800005} }
@COMMENT{{This file has been generated by bib2bib 1.77}}
@COMMENT{{Command line: bib2bib -s year -r -c $type="BOOK" junk.bib}}
@BOOK{Della-Marta2006c, TITLE = {Summer heat waves in western Europe, their past change and future projections}, PUBLISHER = {Springer, submitted}, YEAR = {2007}, AUTHOR = {Della-Marta, P. M. and Beniston, M.}, OWNER = {del}, PDF = {Della-Marta2006c.pdf}, TIMESTAMP = {2006.11.06} }
@BOOK{Lionello2006, TITLE = {Cyclones in the Mediterranean Region: Climatology and Effects on the Environment; In: The Mediterranean Climate: an overview of the main characteristics and issues}, PUBLISHER = {Elsevier}, YEAR = {2006}, EDITOR = {Lionello, P. and Malanotte-Rizolli, P. and Boscolo, R.}, AUTHOR = {Lionello, P. and Bhend,J. and Buzzi, A. and Della-Marta, P. M. and Krichak, S. O. and Jans\'{a}, A. and Maheras, P. and Sanna, A. and Trigo, I. F. and Trigo, R.}, OWNER = {del}, PDF = {Lionello2006.pdf}, TIMESTAMP = {2006.06.01} }
@COMMENT{{This file has been generated by bib2bib 1.77}}
@COMMENT{{Command line: bib2bib -s year -r -c $type="TECHREPORT" junk.bib}}
@TECHREPORT{Collins2002, AUTHOR = {Collins, D. A. and Della-Marta, P. M.}, TITLE = {Atmospheric indicators for the State of the Environment Report 2001.}, INSTITUTION = {Bureau of Meteorology}, YEAR = {2002}, NUMBER = {Technical Report 74}, OWNER = {del}, TIMESTAMP = {2002.01.01} }
@TECHREPORT{Suppiah2001, AUTHOR = {Suppiah, R. and Collins, D. A. and Della-Marta, P. M.}, TITLE = {Observed changes in Australian climate. Supporting document for: Climate change projections for Australia,}, INSTITUTION = {CSIRO Atmospheric Research, Aspendale, Australia}, YEAR = {2001}, OWNER = {del}, TIMESTAMP = {2001.01.01} }
@COMMENT{{This file has been generated by bib2bib 1.77}}
@COMMENT{{Command line: bib2bib -s year -r -c $type="PROCEEDINGS" junk.bib}}
@PROCEEDINGS{Power2001, TITLE = {Cli-Manage 2000 (Conference on Managing Australian Climate Variability), 23-25 October 2000, Albury, NSW}, YEAR = {2001}, EDITOR = {Power, S.B. and Wright, W.J. and Della-Marta, P.M.}, ORGANIZATION = {National Climate Centre, Bureau of Meteorology, Australia}, AUTHOR = {Power, S.B. and Wright, W.J. and Della-Marta, P.M.}, OWNER = {del}, TIMESTAMP = {2001.01.01} }
This file has been generated by bibtex2html 1.77