Some recent studies presented two existing types of ENSO events, one is the Eastern-Pacific(EP) type and the other the Central-Pacific(CP) type. This study examined the monitoring ability of several current operationa...Some recent studies presented two existing types of ENSO events, one is the Eastern-Pacific(EP) type and the other the Central-Pacific(CP) type. This study examined the monitoring ability of several current operational ENSO indices. The results indicated that a single index could not distinguish the EP and CP in the historical ENSO events during 1950-2009. The Nio 3 index may only be suitable for monitoring the EP-type ENSO, while the Nio 4 index works only for the CP-type ENSO. In order to capture the occurrence of ENSO events and distinguish the type, we considered a new monitoring index group using Nio 3 and Nio 4 indices. Further analysis confirmed that this index group can monitor different types of historical ENSO events with different spatial distribution of sea surface temperature. It has a good performance in determining the characteristics of the ENSO events, including peak intensity, onset,decay, and mature phase.展开更多
针对1950—2009年的东部型(EP)和中部型(CP)ENSO事件,比较了目前国际上常用的ENSO监测指数对它们的监测能力。结果表明:单一的指数无法同时区分EP和CP型ENSO事件,其中Ni o 3指数只能有效识别EP型ENSO事件,而Ni o 4指数则对CP型事件具有...针对1950—2009年的东部型(EP)和中部型(CP)ENSO事件,比较了目前国际上常用的ENSO监测指数对它们的监测能力。结果表明:单一的指数无法同时区分EP和CP型ENSO事件,其中Ni o 3指数只能有效识别EP型ENSO事件,而Ni o 4指数则对CP型事件具有较强的监测能力。据此提出同时以Ni o 3和Ni o 4指数构建指数组的形式来监测不同类型的ENSO事件,结果表明,该指标组能够较全面监测历史上发生的不同分布类型ENSO事件,且能准确判定事件的峰值强度、起止时间和成熟期等其他特征。展开更多
以纺织服装行业清洁生产指标体系的构建为研究对象,立足于广东省典型纺织服装企业的视角,参照《清洁生产评价指标体系编制通则(试行稿)》,从定性和定量的角度构建一套较为科学、全面的纺织服装行业清洁生产评价指标体系,为我国纺织服装...以纺织服装行业清洁生产指标体系的构建为研究对象,立足于广东省典型纺织服装企业的视角,参照《清洁生产评价指标体系编制通则(试行稿)》,从定性和定量的角度构建一套较为科学、全面的纺织服装行业清洁生产评价指标体系,为我国纺织服装行业开展清洁生产审核工作提供技术参考。构建的纺织服装行业清洁生产指标体系包括1个目标层、6个准则层和24个指标层。通过研究确定了限定性指标中定量指标的新鲜水用量指标的Ⅰ级、Ⅱ级和Ⅲ级基准值分别为100.00、125.00和250.00 m 3/t;综合能耗指标的Ⅰ级、Ⅱ级和Ⅲ级基准值分别为0.75、0.82和0.95 tce/t,废水排放量指标的Ⅰ级、Ⅱ级和Ⅲ级基准值分别为90.00、112.50和225.00 m 3/t,中水回用率指标的Ⅰ级、Ⅱ级和Ⅲ级基准值分别为60%、50%和0。展开更多
基金The Definition of El Nio/La Nia Episodes,a National Standard ProjectSpecialized Project for Public Welfare Industries(GYHY201406018,GYHY200806009)+2 种基金Program 973(2012CB955901)National Science and Technology Support Program(2009BAC51B05)National Youth Foundation for Natural Science(41005038)
文摘Some recent studies presented two existing types of ENSO events, one is the Eastern-Pacific(EP) type and the other the Central-Pacific(CP) type. This study examined the monitoring ability of several current operational ENSO indices. The results indicated that a single index could not distinguish the EP and CP in the historical ENSO events during 1950-2009. The Nio 3 index may only be suitable for monitoring the EP-type ENSO, while the Nio 4 index works only for the CP-type ENSO. In order to capture the occurrence of ENSO events and distinguish the type, we considered a new monitoring index group using Nio 3 and Nio 4 indices. Further analysis confirmed that this index group can monitor different types of historical ENSO events with different spatial distribution of sea surface temperature. It has a good performance in determining the characteristics of the ENSO events, including peak intensity, onset,decay, and mature phase.
文摘针对1950—2009年的东部型(EP)和中部型(CP)ENSO事件,比较了目前国际上常用的ENSO监测指数对它们的监测能力。结果表明:单一的指数无法同时区分EP和CP型ENSO事件,其中Ni o 3指数只能有效识别EP型ENSO事件,而Ni o 4指数则对CP型事件具有较强的监测能力。据此提出同时以Ni o 3和Ni o 4指数构建指数组的形式来监测不同类型的ENSO事件,结果表明,该指标组能够较全面监测历史上发生的不同分布类型ENSO事件,且能准确判定事件的峰值强度、起止时间和成熟期等其他特征。
文摘以纺织服装行业清洁生产指标体系的构建为研究对象,立足于广东省典型纺织服装企业的视角,参照《清洁生产评价指标体系编制通则(试行稿)》,从定性和定量的角度构建一套较为科学、全面的纺织服装行业清洁生产评价指标体系,为我国纺织服装行业开展清洁生产审核工作提供技术参考。构建的纺织服装行业清洁生产指标体系包括1个目标层、6个准则层和24个指标层。通过研究确定了限定性指标中定量指标的新鲜水用量指标的Ⅰ级、Ⅱ级和Ⅲ级基准值分别为100.00、125.00和250.00 m 3/t;综合能耗指标的Ⅰ级、Ⅱ级和Ⅲ级基准值分别为0.75、0.82和0.95 tce/t,废水排放量指标的Ⅰ级、Ⅱ级和Ⅲ级基准值分别为90.00、112.50和225.00 m 3/t,中水回用率指标的Ⅰ级、Ⅱ级和Ⅲ级基准值分别为60%、50%和0。
