ASTM E1199-1987(2004) 用克--朋氏浮游生物采样器采集浮游生物
作者:标准资料网 时间:2024-05-13 02:02:18 浏览:9817
来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:StandardPracticeforSamplingZooplanktonwithaClarke-BumpusPlanktonSampler
【原文标准名称】:用克--朋氏浮游生物采样器采集浮游生物
【标准号】:ASTME1199-1987(2004)
【标准状态】:现行
【国别】:
【发布日期】:1987
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E47.01
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:工艺;采样方法;污染控制;侧壁试验器;浮游生物
【英文主题词】:
【摘要】:TheadvantagesoftheClarke-Bumpusplanktonsamplerareasfollows:4.1.1Itwillsampleadiscretedepthormultipledepths,dependinguponthesamplingdesign.4.1.2Itisaslowtomediumspeedsamplerrequiringatowingspeedofthreetofiveknots.4.1.3Thesamplesizecanbeeasilycontrolled.4.1.4Thesamplerislightweightandcanbeusedwithoutauxiliaryequipment.4.1.5Ithasarelativelyhighfiltrationefficiencyfactorof0.88.4.1.6Itisaversatilesamplerandcanbeusedinallbuttheshallowestwaters.4.1.7Theflowmeterrecordstheamountofwaterthatpassesintothenet.4.1.8Overspillofwateratthemouthofthenetduetoexcessspeedoftowingisofminimalconsequence.ThedisadvantagesoftheClarke-Bumpusplanktonsamplerareasfollows:4.2.1Theflowmeterrequiresfrequentmaintenanceincludingcalibrationandlubrication.4.2.2Itisnotsuitableforuseinverysmallareasorshallowwaters.ThereareseveralspecialconsiderationsthatshallbeobservedwhenusingaClarke-Bumpussampler.Theyare:4.3.1Theflowmetershouldbecalibratedandservicedfrequentlytoensureefficientandaccurateoperation.4.3.2Thesamplerisrelativelyfragile,particularlytheclosingdeviceandflowmeter.Thisnecessitatescarefuldeploymentandrecoveryprocedures.4.3.3Followingeachcollection,thenetmustbethoroughlywashed.4.3.4Specialattentionmustbegiventothestrengthofthecableanditsattachmenttoavoidlossofthesampler.4.3.5Thesamplershouldnotbeusedinbedsofmacrophytes,inwaterscontainingsubmergedobjects,orclosetothebottom.4.3.6Thenetshouldbeinspectedfrequentlyforpin-sizeholes,tears,netdeterioration,andotheranomalies.4.3.7Followinguse,thewetnetshouldbesuspendedfulllengthintheairinsubduedlightandallowedtodry.1.1ThispracticecoverstheproceduresforobtainingquantitativesamplesofazooplanktoncommunitybyuseofaClarke-Bumpusplanktonsampler.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z12
【国际标准分类号】:
【页数】:2P.;A4
【正文语种】:
【原文标准名称】:用克--朋氏浮游生物采样器采集浮游生物
【标准号】:ASTME1199-1987(2004)
【标准状态】:现行
【国别】:
【发布日期】:1987
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E47.01
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:工艺;采样方法;污染控制;侧壁试验器;浮游生物
【英文主题词】:
【摘要】:TheadvantagesoftheClarke-Bumpusplanktonsamplerareasfollows:4.1.1Itwillsampleadiscretedepthormultipledepths,dependinguponthesamplingdesign.4.1.2Itisaslowtomediumspeedsamplerrequiringatowingspeedofthreetofiveknots.4.1.3Thesamplesizecanbeeasilycontrolled.4.1.4Thesamplerislightweightandcanbeusedwithoutauxiliaryequipment.4.1.5Ithasarelativelyhighfiltrationefficiencyfactorof0.88.4.1.6Itisaversatilesamplerandcanbeusedinallbuttheshallowestwaters.4.1.7Theflowmeterrecordstheamountofwaterthatpassesintothenet.4.1.8Overspillofwateratthemouthofthenetduetoexcessspeedoftowingisofminimalconsequence.ThedisadvantagesoftheClarke-Bumpusplanktonsamplerareasfollows:4.2.1Theflowmeterrequiresfrequentmaintenanceincludingcalibrationandlubrication.4.2.2Itisnotsuitableforuseinverysmallareasorshallowwaters.ThereareseveralspecialconsiderationsthatshallbeobservedwhenusingaClarke-Bumpussampler.Theyare:4.3.1Theflowmetershouldbecalibratedandservicedfrequentlytoensureefficientandaccurateoperation.4.3.2Thesamplerisrelativelyfragile,particularlytheclosingdeviceandflowmeter.Thisnecessitatescarefuldeploymentandrecoveryprocedures.4.3.3Followingeachcollection,thenetmustbethoroughlywashed.4.3.4Specialattentionmustbegiventothestrengthofthecableanditsattachmenttoavoidlossofthesampler.4.3.5Thesamplershouldnotbeusedinbedsofmacrophytes,inwaterscontainingsubmergedobjects,orclosetothebottom.4.3.6Thenetshouldbeinspectedfrequentlyforpin-sizeholes,tears,netdeterioration,andotheranomalies.4.3.7Followinguse,thewetnetshouldbesuspendedfulllengthintheairinsubduedlightandallowedtodry.1.1ThispracticecoverstheproceduresforobtainingquantitativesamplesofazooplanktoncommunitybyuseofaClarke-Bumpusplanktonsampler.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z12
【国际标准分类号】:
【页数】:2P.;A4
【正文语种】:
下载地址: 点击此处下载