| ATTRIBUTE | SURVEY_YEAR | CHANGE |
|---|---|---|
| altitude | 1984 | INTRODUCTION |
| country | 1984 | INTRODUCTION |
| date_monitoring_1st | 1984 | INTRODUCTION |
| date_monitoring_1st | 2016 | RENAME to date_monitoring_first |
| date_monitoring_last | 1984 | INTRODUCTION |
| depth | 1984 | INTRODUCTION |
| latitude | 1984 | INTRODUCTION |
| layer | 1984 | INTRODUCTION |
| longitude | 1984 | INTRODUCTION |
| other_observations | 1984 | INTRODUCTION |
| periods | 1984 | INTRODUCTION |
| plot | 1984 | INTRODUCTION |
| sampler | 1984 | INTRODUCTION |
| sampler | 2010 | DISCONTINUED |
| sampler_id | 2011 | INTRODUCTION |
| samplers | 2011 | INTRODUCTION |
| sampler_type | 1984 | INTRODUCTION |
| Sequence | 1984 | INTRODUCTION |
| ATTRIBUTE | SURVEY_YEAR | CHANGE |
|---|---|---|
| Al | 1984 | INTRODUCTION |
| alkalinity | 1984 | INTRODUCTION |
| Ca | 1984 | INTRODUCTION |
| Cl | 2011 | INTRODUCTION |
| conductivity | 1984 | INTRODUCTION |
| date_end | 1984 | INTRODUCTION |
| date_start | 1984 | INTRODUCTION |
| DOC | 1984 | INTRODUCTION |
| Fe | 2011 | INTRODUCTION |
| K | 1984 | INTRODUCTION |
| Mg | 1984 | INTRODUCTION |
| Mn | 2011 | INTRODUCTION |
| Na | 2011 | INTRODUCTION |
| N_NH4 | 2011 | INTRODUCTION |
| N_NO3 | 1984 | INTRODUCTION |
| other_observations | 1984 | INTRODUCTION |
| period | 1984 | INTRODUCTION |
| pH | 1984 | INTRODUCTION |
| plot | 1984 | INTRODUCTION |
| sample_id | 2011 | INTRODUCTION |
| sampler | 1984 | INTRODUCTION |
| sampler | 2010 | DISCONTINUED |
| sampler_id | 2011 | INTRODUCTION |
| sample_vol | 2011 | INTRODUCTION |
| Sequence | 1984 | INTRODUCTION |
| S_SO4 | 1984 | INTRODUCTION |
| total_nitrogen | 2011 | INTRODUCTION |
| ATTRIBUTE | SURVEY_YEAR | CHANGE |
|---|---|---|
| Al_labile | 1984 | INTRODUCTION |
| Cd | 1984 | INTRODUCTION |
| Cl | 1984 | INTRODUCTION |
| Cl | 2010 | DISCONTINUED |
| Cr | 1984 | INTRODUCTION |
| Cu | 1984 | INTRODUCTION |
| date_end | 1984 | INTRODUCTION |
| date_start | 1984 | INTRODUCTION |
| Fe | 1984 | INTRODUCTION |
| Fe | 2010 | DISCONTINUED |
| Mn | 1984 | INTRODUCTION |
| Mn | 2010 | DISCONTINUED |
| Na | 1984 | INTRODUCTION |
| Na | 2010 | DISCONTINUED |
| Ni | 1984 | INTRODUCTION |
| N_NH4 | 1984 | INTRODUCTION |
| N_NH4 | 2010 | DISCONTINUED |
| other_observations | 1984 | INTRODUCTION |
| P | 1984 | INTRODUCTION |
| Pb | 1984 | INTRODUCTION |
| period | 1984 | INTRODUCTION |
| plot | 1984 | INTRODUCTION |
| sample_id | 2011 | INTRODUCTION |
| sampler | 1984 | INTRODUCTION |
| sampler | 2010 | DISCONTINUED |
| sampler_id | 2011 | INTRODUCTION |
| Sequence | 1984 | INTRODUCTION |
| Si | 1984 | INTRODUCTION |
| water | 1984 | INTRODUCTION |
| water | 2010 | DISCONTINUED |
| Zn | 1984 | INTRODUCTION |
| ATTRIBUTE | SURVEY_YEAR | CHANGE |
|---|---|---|
| control_chart_mean | 2009 | INTRODUCTION |
| control_chart_std | 2009 | INTRODUCTION |
| country | 2009 | INTRODUCTION |
| date_end | 2009 | INTRODUCTION |
| date_start | 2009 | INTRODUCTION |
| determination | 2009 | INTRODUCTION |
| Laboratory_ID | 2009 | INTRODUCTION |
| other_observations | 2009 | INTRODUCTION |
| parameter | 2009 | INTRODUCTION |
| percentage_within | 2009 | INTRODUCTION |
| percentage_within | 2016 | DISCONTINUED - will be submitted from ringtest db directly |
| percentage_within_requal | 2009 | INTRODUCTION |
| percentage_within_requal | 2016 | DISCONTINUED - will be submitted from ringtest db directly |
| plot | 2009 | INTRODUCTION |
| quantification_limit | 2009 | INTRODUCTION |
| requalification | 2009 | INTRODUCTION |
| requalification | 2016 | DISCONTINUED - will be submitted from ringtest db directly |
| ring_test_number | 2009 | INTRODUCTION |
| ring_test_number | 2016 | DISCONTINUED - will be submitted from ringtest db directly |
| ring_test_participation | 2009 | INTRODUCTION |
| ring_test_participation | 2016 | DISCONTINUED - will be submitted from ringtest db directly |
| sample_preparation | 2009 | INTRODUCTION |
| Sequence | 2009 | INTRODUCTION |