[{"dataset_parameter_nid":"753091","supplied_name":"trial","supplied_units":"unitless","value_format":null,"description":"\u003Cp\u003ETrial number\u003C\/p\u003E\n","no_data_value":"NA","conversion_necessary":"no","conversion_utility":"","parameter_nid":"1759","parameter_description":"\u003Cp\u003EExperiment Id\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"exp_id","parameter_external_identifier":null,"parameter_short_description":"experiment id","parameter_short_name":"exp_id","parameter_units":"text","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"753092","supplied_name":"date","supplied_units":"unitless","value_format":null,"description":"\u003Cp\u003EDate of trial formatted as yyyy-mm-dd\u003C\/p\u003E\n","no_data_value":"NA","conversion_necessary":"no","conversion_utility":"","parameter_nid":"799","parameter_description":"\u003Cp\u003Elocal month, day and year, usually as a text string, e.g. feb10_1995. It is better to use one of the other forms of presenting date and time data so that the data can be used in computations and for comparisons. Note, if the string begins with numbers but also includes letters, there may be problems using the field name for retrieval.\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":null,"parameter_official_name":"date_local","parameter_external_identifier":null,"parameter_short_description":"date_local","parameter_short_name":"date_local","parameter_units":null,"parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"753093","supplied_name":"column_name","supplied_units":"unitless","value_format":null,"description":"\u003Cp\u003EIdentifies the experimental water column treatment and replicate #: AN-# = Acidic water at the top and Neutral water at the bottom ; NN-# = Neutral water at the top and Neutral water at the bottom; NA-# = Neutral water at the top and Acid water at the bottom\u003C\/p\u003E\n","no_data_value":"NA","conversion_necessary":"no","conversion_utility":"","parameter_nid":"960","parameter_description":"\u003Cp\u003Eunique sample identification or number; any combination of alpha numeric characters; precise definition is file dependent\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":null,"parameter_official_name":"sample","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P02\/current\/ACYC\/","parameter_short_description":"sample identification","parameter_short_name":"sample","parameter_units":"dimensionless","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"753094","supplied_name":"column_depth_cat","supplied_units":"unitless","value_format":null,"description":"\u003Cp\u003EWater column depth category where the pH sample was collected. top = 18-20 cm from bottom of water column; bottom = 1-2 cm from the bottom of the water column; transition point = middle of the water column where two treatment waters meet\u003C\/p\u003E\n","no_data_value":"NA","conversion_necessary":"no","conversion_utility":"","parameter_nid":"808","parameter_description":"\u003Cp\u003EObservation\/sample depth below the sea surface. Units often reported as: meters, feet.\u003C\/p\u003E\n\u003Cp\u003E\nWhen used in a JGOFS\/GLOBEC dataset the depth is a best estimate; usually but not always calculated from pressure; calculated either from CTD pressure using Fofonoff and Millard (1982; UNESCO Tech Paper #44) algorithm adjusted for 1980 equation of state for seawater (EOS80) or simply equivalent to nominal depth as recorded during sampling if CTD pressure was unavailable.\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"depth","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P09\/current\/DEPH\/","parameter_short_description":"depth","parameter_short_name":"depth","parameter_units":"various","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"753095","supplied_name":"column_depth_cm","supplied_units":"centimeters (cm)","value_format":null,"description":"\u003Cp\u003EWater column depth in cm where the pH sample was collected.\u003C\/p\u003E\n","no_data_value":"NA","conversion_necessary":"no","conversion_utility":"","parameter_nid":"808","parameter_description":"\u003Cp\u003EObservation\/sample depth below the sea surface. Units often reported as: meters, feet.\u003C\/p\u003E\n\u003Cp\u003E\nWhen used in a JGOFS\/GLOBEC dataset the depth is a best estimate; usually but not always calculated from pressure; calculated either from CTD pressure using Fofonoff and Millard (1982; UNESCO Tech Paper #44) algorithm adjusted for 1980 equation of state for seawater (EOS80) or simply equivalent to nominal depth as recorded during sampling if CTD pressure was unavailable.\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"depth","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P09\/current\/DEPH\/","parameter_short_description":"depth","parameter_short_name":"depth","parameter_units":"various","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"753096","supplied_name":"pH","supplied_units":"standard pH units","value_format":null,"description":"\u003Cp\u003EpH of seawater in water column\u003C\/p\u003E\n","no_data_value":"NA","conversion_necessary":"no","conversion_utility":"","parameter_nid":"1892","parameter_description":"\u003Cp\u003EpH: The measure of the acidity or basicity of an aqueous solution\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"pH","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P01\/current\/PHXXZZXX\/","parameter_short_description":"pH","parameter_short_name":"pH","parameter_units":"unitless; pH scale","parameter_units_external_identifier":null,"order":null}]