Climatologies of blocking highs detected by a unified Eddy-ABS approach

Abstract Typical blocking indices in longitude or both longitude and latitude are compared to demonstrate: (1) the central blocking latitude (CBL) should be any of 40–80° N; (2) reversals of meridional gradients in absolute fields (ABS) about specified CBLs or in combination with time anomalies exce...
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Autor*in:	Liu, Ping [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2019

Schlagwörter:	Blocking Blocking highs Blocking index Blocking climatology

Übergeordnetes Werk:	Enthalten in: Climate dynamics - Berlin : Springer, 1986, 54(2019), 1-2 vom: 16. Nov., Seite 1197-1215
Übergeordnetes Werk:	volume:54 ; year:2019 ; number:1-2 ; day:16 ; month:11 ; pages:1197-1215

Links:	Volltext

DOI / URN:	10.1007/s00382-019-05053-z

Katalog-ID:	SPR004687191

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520			\|a Abstract Typical blocking indices in longitude or both longitude and latitude are compared to demonstrate: (1) the central blocking latitude (CBL) should be any of 40–80° N; (2) reversals of meridional gradients in absolute fields (ABS) about specified CBLs or in combination with time anomalies exceeding a threshold missed blocking patterns or misidentified non-blocking structures. Blocking highs are identified by a new Eddy-ABS index. A large-scale high is represented by a local maximum of zonal eddy anomalies, its immediately surrounding points and subsequent contiguous grids with decreasing anomalies but exceeding the 75th percentile. A high with any ABS reversal is an instantaneous blocking (IB). Maximum overlapping IBs become quasi-stationary when moving less than 10° longitudes per day. Four and more quasi-stationary IBs form a blocking event (BE). This unified index has identified IBs and BEs at vertical levels in the Northern (NH) and Southern Hemispheres (SH) during different seasons. In the NH, BEs exhibit strong seasonality, geographical preference and quasi-barotropicity. The lifetime, maximum intensity, impact area, and moving speed have a log-linear, log-normal, log-normal, and normal distribution, respectively. These features occur similarly in the SH, except for very small occurrences at 200 hPa in JJA and a normal distribution for the maximum intensity. Properties other than the moving speed significantly correlate with the maximum intensity in both hemispheres. The missing and misidentification issues are reasonably well resolved by this new index.
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912			\|a GBV_ILN_31
912			\|a GBV_ILN_32
912			\|a GBV_ILN_39
912			\|a GBV_ILN_40
912			\|a GBV_ILN_60
912			\|a GBV_ILN_62
912			\|a GBV_ILN_63
912			\|a GBV_ILN_69
912			\|a GBV_ILN_70
912			\|a GBV_ILN_73
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912			\|a GBV_ILN_90
912			\|a GBV_ILN_95
912			\|a GBV_ILN_100
912			\|a GBV_ILN_105
912			\|a GBV_ILN_110
912			\|a GBV_ILN_120
912			\|a GBV_ILN_138
912			\|a GBV_ILN_150
912			\|a GBV_ILN_151
912			\|a GBV_ILN_152
912			\|a GBV_ILN_161
912			\|a GBV_ILN_170
912			\|a GBV_ILN_171
912			\|a GBV_ILN_187
912			\|a GBV_ILN_206
912			\|a GBV_ILN_213
912			\|a GBV_ILN_224
912			\|a GBV_ILN_230
912			\|a GBV_ILN_250
912			\|a GBV_ILN_281
912			\|a GBV_ILN_285
912			\|a GBV_ILN_293
912			\|a GBV_ILN_370
912			\|a GBV_ILN_381
912			\|a GBV_ILN_602
912			\|a GBV_ILN_612
912			\|a GBV_ILN_636
912			\|a GBV_ILN_702
912			\|a GBV_ILN_2001
912			\|a GBV_ILN_2003
912			\|a GBV_ILN_2004
912			\|a GBV_ILN_2005
912			\|a GBV_ILN_2006
912			\|a GBV_ILN_2007
912			\|a GBV_ILN_2008
912			\|a GBV_ILN_2009
912			\|a GBV_ILN_2010
912			\|a GBV_ILN_2011
912			\|a GBV_ILN_2014
912			\|a GBV_ILN_2015
912			\|a GBV_ILN_2020
912			\|a GBV_ILN_2021
912			\|a GBV_ILN_2025
912			\|a GBV_ILN_2026
912			\|a GBV_ILN_2027
912			\|a GBV_ILN_2031
912			\|a GBV_ILN_2034
912			\|a GBV_ILN_2037
912			\|a GBV_ILN_2038
912			\|a GBV_ILN_2039
912			\|a GBV_ILN_2044
912			\|a GBV_ILN_2048
912			\|a GBV_ILN_2049
912			\|a GBV_ILN_2050
912			\|a GBV_ILN_2055
912			\|a GBV_ILN_2056
912			\|a GBV_ILN_2057
912			\|a GBV_ILN_2059
912			\|a GBV_ILN_2061
912			\|a GBV_ILN_2064
912			\|a GBV_ILN_2065
912			\|a GBV_ILN_2068
912			\|a GBV_ILN_2070
912			\|a GBV_ILN_2086
912			\|a GBV_ILN_2088
912			\|a GBV_ILN_2093
912			\|a GBV_ILN_2106
912			\|a GBV_ILN_2107
912			\|a GBV_ILN_2108
912			\|a GBV_ILN_2110
912			\|a GBV_ILN_2111
912			\|a GBV_ILN_2112
912			\|a GBV_ILN_2113
912			\|a GBV_ILN_2116
912			\|a GBV_ILN_2118
912			\|a GBV_ILN_2119
912			\|a GBV_ILN_2122
912			\|a GBV_ILN_2129
912			\|a GBV_ILN_2143
912			\|a GBV_ILN_2144
912			\|a GBV_ILN_2147
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912			\|a GBV_ILN_2152
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912			\|a GBV_ILN_2507
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912			\|a GBV_ILN_4125
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912			\|a GBV_ILN_4246
912			\|a GBV_ILN_4249
912			\|a GBV_ILN_4251
912			\|a GBV_ILN_4305
912			\|a GBV_ILN_4306
912			\|a GBV_ILN_4307
912			\|a GBV_ILN_4313
912			\|a GBV_ILN_4322
912			\|a GBV_ILN_4323
912			\|a GBV_ILN_4324
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912			\|a GBV_ILN_4326
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912			\|a GBV_ILN_4333
912			\|a GBV_ILN_4334
912			\|a GBV_ILN_4335
912			\|a GBV_ILN_4336
912			\|a GBV_ILN_4338
912			\|a GBV_ILN_4393
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allfields	10.1007/s00382-019-05053-z doi (DE-627)SPR004687191 (SPR)s00382-019-05053-z-e DE-627 ger DE-627 rakwb eng 550 ASE 38.80 bkl Liu, Ping verfasserin aut Climatologies of blocking highs detected by a unified Eddy-ABS approach 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Typical blocking indices in longitude or both longitude and latitude are compared to demonstrate: (1) the central blocking latitude (CBL) should be any of 40–80° N; (2) reversals of meridional gradients in absolute fields (ABS) about specified CBLs or in combination with time anomalies exceeding a threshold missed blocking patterns or misidentified non-blocking structures. Blocking highs are identified by a new Eddy-ABS index. A large-scale high is represented by a local maximum of zonal eddy anomalies, its immediately surrounding points and subsequent contiguous grids with decreasing anomalies but exceeding the 75th percentile. A high with any ABS reversal is an instantaneous blocking (IB). Maximum overlapping IBs become quasi-stationary when moving less than 10° longitudes per day. Four and more quasi-stationary IBs form a blocking event (BE). This unified index has identified IBs and BEs at vertical levels in the Northern (NH) and Southern Hemispheres (SH) during different seasons. In the NH, BEs exhibit strong seasonality, geographical preference and quasi-barotropicity. The lifetime, maximum intensity, impact area, and moving speed have a log-linear, log-normal, log-normal, and normal distribution, respectively. These features occur similarly in the SH, except for very small occurrences at 200 hPa in JJA and a normal distribution for the maximum intensity. Properties other than the moving speed significantly correlate with the maximum intensity in both hemispheres. The missing and misidentification issues are reasonably well resolved by this new index. Blocking (dpeaa)DE-He213 Blocking highs (dpeaa)DE-He213 Blocking index (dpeaa)DE-He213 Blocking climatology (dpeaa)DE-He213 Enthalten in Climate dynamics Berlin : Springer, 1986 54(2019), 1-2 vom: 16. Nov., Seite 1197-1215 (DE-627)268128561 (DE-600)1471747-5 1432-0894 nnns volume:54 year:2019 number:1-2 day:16 month:11 pages:1197-1215 https://dx.doi.org/10.1007/s00382-019-05053-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OPC-GGO SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_612 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 38.80 ASE AR 54 2019 1-2 16 11 1197-1215
spelling	10.1007/s00382-019-05053-z doi (DE-627)SPR004687191 (SPR)s00382-019-05053-z-e DE-627 ger DE-627 rakwb eng 550 ASE 38.80 bkl Liu, Ping verfasserin aut Climatologies of blocking highs detected by a unified Eddy-ABS approach 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Typical blocking indices in longitude or both longitude and latitude are compared to demonstrate: (1) the central blocking latitude (CBL) should be any of 40–80° N; (2) reversals of meridional gradients in absolute fields (ABS) about specified CBLs or in combination with time anomalies exceeding a threshold missed blocking patterns or misidentified non-blocking structures. Blocking highs are identified by a new Eddy-ABS index. A large-scale high is represented by a local maximum of zonal eddy anomalies, its immediately surrounding points and subsequent contiguous grids with decreasing anomalies but exceeding the 75th percentile. A high with any ABS reversal is an instantaneous blocking (IB). Maximum overlapping IBs become quasi-stationary when moving less than 10° longitudes per day. Four and more quasi-stationary IBs form a blocking event (BE). This unified index has identified IBs and BEs at vertical levels in the Northern (NH) and Southern Hemispheres (SH) during different seasons. In the NH, BEs exhibit strong seasonality, geographical preference and quasi-barotropicity. The lifetime, maximum intensity, impact area, and moving speed have a log-linear, log-normal, log-normal, and normal distribution, respectively. These features occur similarly in the SH, except for very small occurrences at 200 hPa in JJA and a normal distribution for the maximum intensity. Properties other than the moving speed significantly correlate with the maximum intensity in both hemispheres. The missing and misidentification issues are reasonably well resolved by this new index. Blocking (dpeaa)DE-He213 Blocking highs (dpeaa)DE-He213 Blocking index (dpeaa)DE-He213 Blocking climatology (dpeaa)DE-He213 Enthalten in Climate dynamics Berlin : Springer, 1986 54(2019), 1-2 vom: 16. Nov., Seite 1197-1215 (DE-627)268128561 (DE-600)1471747-5 1432-0894 nnns volume:54 year:2019 number:1-2 day:16 month:11 pages:1197-1215 https://dx.doi.org/10.1007/s00382-019-05053-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OPC-GGO SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_612 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 38.80 ASE AR 54 2019 1-2 16 11 1197-1215
allfields_unstemmed	10.1007/s00382-019-05053-z doi (DE-627)SPR004687191 (SPR)s00382-019-05053-z-e DE-627 ger DE-627 rakwb eng 550 ASE 38.80 bkl Liu, Ping verfasserin aut Climatologies of blocking highs detected by a unified Eddy-ABS approach 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Typical blocking indices in longitude or both longitude and latitude are compared to demonstrate: (1) the central blocking latitude (CBL) should be any of 40–80° N; (2) reversals of meridional gradients in absolute fields (ABS) about specified CBLs or in combination with time anomalies exceeding a threshold missed blocking patterns or misidentified non-blocking structures. Blocking highs are identified by a new Eddy-ABS index. A large-scale high is represented by a local maximum of zonal eddy anomalies, its immediately surrounding points and subsequent contiguous grids with decreasing anomalies but exceeding the 75th percentile. A high with any ABS reversal is an instantaneous blocking (IB). Maximum overlapping IBs become quasi-stationary when moving less than 10° longitudes per day. Four and more quasi-stationary IBs form a blocking event (BE). This unified index has identified IBs and BEs at vertical levels in the Northern (NH) and Southern Hemispheres (SH) during different seasons. In the NH, BEs exhibit strong seasonality, geographical preference and quasi-barotropicity. The lifetime, maximum intensity, impact area, and moving speed have a log-linear, log-normal, log-normal, and normal distribution, respectively. These features occur similarly in the SH, except for very small occurrences at 200 hPa in JJA and a normal distribution for the maximum intensity. Properties other than the moving speed significantly correlate with the maximum intensity in both hemispheres. The missing and misidentification issues are reasonably well resolved by this new index. Blocking (dpeaa)DE-He213 Blocking highs (dpeaa)DE-He213 Blocking index (dpeaa)DE-He213 Blocking climatology (dpeaa)DE-He213 Enthalten in Climate dynamics Berlin : Springer, 1986 54(2019), 1-2 vom: 16. Nov., Seite 1197-1215 (DE-627)268128561 (DE-600)1471747-5 1432-0894 nnns volume:54 year:2019 number:1-2 day:16 month:11 pages:1197-1215 https://dx.doi.org/10.1007/s00382-019-05053-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OPC-GGO SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_612 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 38.80 ASE AR 54 2019 1-2 16 11 1197-1215
allfieldsGer	10.1007/s00382-019-05053-z doi (DE-627)SPR004687191 (SPR)s00382-019-05053-z-e DE-627 ger DE-627 rakwb eng 550 ASE 38.80 bkl Liu, Ping verfasserin aut Climatologies of blocking highs detected by a unified Eddy-ABS approach 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Typical blocking indices in longitude or both longitude and latitude are compared to demonstrate: (1) the central blocking latitude (CBL) should be any of 40–80° N; (2) reversals of meridional gradients in absolute fields (ABS) about specified CBLs or in combination with time anomalies exceeding a threshold missed blocking patterns or misidentified non-blocking structures. Blocking highs are identified by a new Eddy-ABS index. A large-scale high is represented by a local maximum of zonal eddy anomalies, its immediately surrounding points and subsequent contiguous grids with decreasing anomalies but exceeding the 75th percentile. A high with any ABS reversal is an instantaneous blocking (IB). Maximum overlapping IBs become quasi-stationary when moving less than 10° longitudes per day. Four and more quasi-stationary IBs form a blocking event (BE). This unified index has identified IBs and BEs at vertical levels in the Northern (NH) and Southern Hemispheres (SH) during different seasons. In the NH, BEs exhibit strong seasonality, geographical preference and quasi-barotropicity. The lifetime, maximum intensity, impact area, and moving speed have a log-linear, log-normal, log-normal, and normal distribution, respectively. These features occur similarly in the SH, except for very small occurrences at 200 hPa in JJA and a normal distribution for the maximum intensity. Properties other than the moving speed significantly correlate with the maximum intensity in both hemispheres. The missing and misidentification issues are reasonably well resolved by this new index. Blocking (dpeaa)DE-He213 Blocking highs (dpeaa)DE-He213 Blocking index (dpeaa)DE-He213 Blocking climatology (dpeaa)DE-He213 Enthalten in Climate dynamics Berlin : Springer, 1986 54(2019), 1-2 vom: 16. Nov., Seite 1197-1215 (DE-627)268128561 (DE-600)1471747-5 1432-0894 nnns volume:54 year:2019 number:1-2 day:16 month:11 pages:1197-1215 https://dx.doi.org/10.1007/s00382-019-05053-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OPC-GGO SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_612 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 38.80 ASE AR 54 2019 1-2 16 11 1197-1215
allfieldsSound	10.1007/s00382-019-05053-z doi (DE-627)SPR004687191 (SPR)s00382-019-05053-z-e DE-627 ger DE-627 rakwb eng 550 ASE 38.80 bkl Liu, Ping verfasserin aut Climatologies of blocking highs detected by a unified Eddy-ABS approach 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Typical blocking indices in longitude or both longitude and latitude are compared to demonstrate: (1) the central blocking latitude (CBL) should be any of 40–80° N; (2) reversals of meridional gradients in absolute fields (ABS) about specified CBLs or in combination with time anomalies exceeding a threshold missed blocking patterns or misidentified non-blocking structures. Blocking highs are identified by a new Eddy-ABS index. A large-scale high is represented by a local maximum of zonal eddy anomalies, its immediately surrounding points and subsequent contiguous grids with decreasing anomalies but exceeding the 75th percentile. A high with any ABS reversal is an instantaneous blocking (IB). Maximum overlapping IBs become quasi-stationary when moving less than 10° longitudes per day. Four and more quasi-stationary IBs form a blocking event (BE). This unified index has identified IBs and BEs at vertical levels in the Northern (NH) and Southern Hemispheres (SH) during different seasons. In the NH, BEs exhibit strong seasonality, geographical preference and quasi-barotropicity. The lifetime, maximum intensity, impact area, and moving speed have a log-linear, log-normal, log-normal, and normal distribution, respectively. These features occur similarly in the SH, except for very small occurrences at 200 hPa in JJA and a normal distribution for the maximum intensity. Properties other than the moving speed significantly correlate with the maximum intensity in both hemispheres. The missing and misidentification issues are reasonably well resolved by this new index. Blocking (dpeaa)DE-He213 Blocking highs (dpeaa)DE-He213 Blocking index (dpeaa)DE-He213 Blocking climatology (dpeaa)DE-He213 Enthalten in Climate dynamics Berlin : Springer, 1986 54(2019), 1-2 vom: 16. Nov., Seite 1197-1215 (DE-627)268128561 (DE-600)1471747-5 1432-0894 nnns volume:54 year:2019 number:1-2 day:16 month:11 pages:1197-1215 https://dx.doi.org/10.1007/s00382-019-05053-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OPC-GGO SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_612 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 38.80 ASE AR 54 2019 1-2 16 11 1197-1215
language	English
source	Enthalten in Climate dynamics 54(2019), 1-2 vom: 16. Nov., Seite 1197-1215 volume:54 year:2019 number:1-2 day:16 month:11 pages:1197-1215
sourceStr	Enthalten in Climate dynamics 54(2019), 1-2 vom: 16. Nov., Seite 1197-1215 volume:54 year:2019 number:1-2 day:16 month:11 pages:1197-1215
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Blocking Blocking highs Blocking index Blocking climatology
dewey-raw	550
isfreeaccess_bool	false
container_title	Climate dynamics
authorswithroles_txt_mv	Liu, Ping @@aut@@
publishDateDaySort_date	2019-11-16T00:00:00Z
hierarchy_top_id	268128561
dewey-sort	3550
id	SPR004687191
language_de	englisch
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author	Liu, Ping
spellingShingle	Liu, Ping ddc 550 bkl 38.80 misc Blocking misc Blocking highs misc Blocking index misc Blocking climatology Climatologies of blocking highs detected by a unified Eddy-ABS approach
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topic_title	550 ASE 38.80 bkl Climatologies of blocking highs detected by a unified Eddy-ABS approach Blocking (dpeaa)DE-He213 Blocking highs (dpeaa)DE-He213 Blocking index (dpeaa)DE-He213 Blocking climatology (dpeaa)DE-He213
topic	ddc 550 bkl 38.80 misc Blocking misc Blocking highs misc Blocking index misc Blocking climatology
topic_unstemmed	ddc 550 bkl 38.80 misc Blocking misc Blocking highs misc Blocking index misc Blocking climatology
topic_browse	ddc 550 bkl 38.80 misc Blocking misc Blocking highs misc Blocking index misc Blocking climatology
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title	Climatologies of blocking highs detected by a unified Eddy-ABS approach
ctrlnum	(DE-627)SPR004687191 (SPR)s00382-019-05053-z-e
title_full	Climatologies of blocking highs detected by a unified Eddy-ABS approach
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journal	Climate dynamics
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class	550 ASE 38.80 bkl
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title_sort	climatologies of blocking highs detected by a unified eddy-abs approach
title_auth	Climatologies of blocking highs detected by a unified Eddy-ABS approach
abstract	Abstract Typical blocking indices in longitude or both longitude and latitude are compared to demonstrate: (1) the central blocking latitude (CBL) should be any of 40–80° N; (2) reversals of meridional gradients in absolute fields (ABS) about specified CBLs or in combination with time anomalies exceeding a threshold missed blocking patterns or misidentified non-blocking structures. Blocking highs are identified by a new Eddy-ABS index. A large-scale high is represented by a local maximum of zonal eddy anomalies, its immediately surrounding points and subsequent contiguous grids with decreasing anomalies but exceeding the 75th percentile. A high with any ABS reversal is an instantaneous blocking (IB). Maximum overlapping IBs become quasi-stationary when moving less than 10° longitudes per day. Four and more quasi-stationary IBs form a blocking event (BE). This unified index has identified IBs and BEs at vertical levels in the Northern (NH) and Southern Hemispheres (SH) during different seasons. In the NH, BEs exhibit strong seasonality, geographical preference and quasi-barotropicity. The lifetime, maximum intensity, impact area, and moving speed have a log-linear, log-normal, log-normal, and normal distribution, respectively. These features occur similarly in the SH, except for very small occurrences at 200 hPa in JJA and a normal distribution for the maximum intensity. Properties other than the moving speed significantly correlate with the maximum intensity in both hemispheres. The missing and misidentification issues are reasonably well resolved by this new index.
abstractGer	Abstract Typical blocking indices in longitude or both longitude and latitude are compared to demonstrate: (1) the central blocking latitude (CBL) should be any of 40–80° N; (2) reversals of meridional gradients in absolute fields (ABS) about specified CBLs or in combination with time anomalies exceeding a threshold missed blocking patterns or misidentified non-blocking structures. Blocking highs are identified by a new Eddy-ABS index. A large-scale high is represented by a local maximum of zonal eddy anomalies, its immediately surrounding points and subsequent contiguous grids with decreasing anomalies but exceeding the 75th percentile. A high with any ABS reversal is an instantaneous blocking (IB). Maximum overlapping IBs become quasi-stationary when moving less than 10° longitudes per day. Four and more quasi-stationary IBs form a blocking event (BE). This unified index has identified IBs and BEs at vertical levels in the Northern (NH) and Southern Hemispheres (SH) during different seasons. In the NH, BEs exhibit strong seasonality, geographical preference and quasi-barotropicity. The lifetime, maximum intensity, impact area, and moving speed have a log-linear, log-normal, log-normal, and normal distribution, respectively. These features occur similarly in the SH, except for very small occurrences at 200 hPa in JJA and a normal distribution for the maximum intensity. Properties other than the moving speed significantly correlate with the maximum intensity in both hemispheres. The missing and misidentification issues are reasonably well resolved by this new index.
abstract_unstemmed	Abstract Typical blocking indices in longitude or both longitude and latitude are compared to demonstrate: (1) the central blocking latitude (CBL) should be any of 40–80° N; (2) reversals of meridional gradients in absolute fields (ABS) about specified CBLs or in combination with time anomalies exceeding a threshold missed blocking patterns or misidentified non-blocking structures. Blocking highs are identified by a new Eddy-ABS index. A large-scale high is represented by a local maximum of zonal eddy anomalies, its immediately surrounding points and subsequent contiguous grids with decreasing anomalies but exceeding the 75th percentile. A high with any ABS reversal is an instantaneous blocking (IB). Maximum overlapping IBs become quasi-stationary when moving less than 10° longitudes per day. Four and more quasi-stationary IBs form a blocking event (BE). This unified index has identified IBs and BEs at vertical levels in the Northern (NH) and Southern Hemispheres (SH) during different seasons. In the NH, BEs exhibit strong seasonality, geographical preference and quasi-barotropicity. The lifetime, maximum intensity, impact area, and moving speed have a log-linear, log-normal, log-normal, and normal distribution, respectively. These features occur similarly in the SH, except for very small occurrences at 200 hPa in JJA and a normal distribution for the maximum intensity. Properties other than the moving speed significantly correlate with the maximum intensity in both hemispheres. The missing and misidentification issues are reasonably well resolved by this new index.
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title_short	Climatologies of blocking highs detected by a unified Eddy-ABS approach
url	https://dx.doi.org/10.1007/s00382-019-05053-z
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up_date	2024-07-04T02:11:48.627Z
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fullrecord_marcxml	<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a22002652 4500</leader><controlfield tag="001">SPR004687191</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20220110175110.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">201001s2019 xx \|\|\|\|\|o 00\| \|\|eng c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.1007/s00382-019-05053-z</subfield><subfield code="2">doi</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)SPR004687191</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(SPR)s00382-019-05053-z-e</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rakwb</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="082" ind1="0" ind2="4"><subfield code="a">550</subfield><subfield code="q">ASE</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">38.80</subfield><subfield code="2">bkl</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Liu, Ping</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Climatologies of blocking highs detected by a unified Eddy-ABS approach</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2019</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">Text</subfield><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">Computermedien</subfield><subfield code="b">c</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Online-Ressource</subfield><subfield code="b">cr</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Abstract Typical blocking indices in longitude or both longitude and latitude are compared to demonstrate: (1) the central blocking latitude (CBL) should be any of 40–80° N; (2) reversals of meridional gradients in absolute fields (ABS) about specified CBLs or in combination with time anomalies exceeding a threshold missed blocking patterns or misidentified non-blocking structures. Blocking highs are identified by a new Eddy-ABS index. A large-scale high is represented by a local maximum of zonal eddy anomalies, its immediately surrounding points and subsequent contiguous grids with decreasing anomalies but exceeding the 75th percentile. A high with any ABS reversal is an instantaneous blocking (IB). Maximum overlapping IBs become quasi-stationary when moving less than 10° longitudes per day. Four and more quasi-stationary IBs form a blocking event (BE). This unified index has identified IBs and BEs at vertical levels in the Northern (NH) and Southern Hemispheres (SH) during different seasons. In the NH, BEs exhibit strong seasonality, geographical preference and quasi-barotropicity. The lifetime, maximum intensity, impact area, and moving speed have a log-linear, log-normal, log-normal, and normal distribution, respectively. These features occur similarly in the SH, except for very small occurrences at 200 hPa in JJA and a normal distribution for the maximum intensity. Properties other than the moving speed significantly correlate with the maximum intensity in both hemispheres. 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Climatologies of blocking highs detected by a unified Eddy-ABS approach

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