47a3e685-e246-21d6-2e56-6cb51971bd21 eng utf8 dataset pointOfContact NIWA National Institute of Water and Atmospheric Research curator@niwa.co.nz http://www.niwa.co.nz WWW:LINK-1.0-http--link Website of the National Institute of Water and Atmospheric Research, New Zealand - experts in environmental science Data curator 2014-04-09T10:45:14 creation ISO 19115-3 urn:ogc:def:crs:EPSG::4326 OGP NZST/NZDT Snow depth and density observations from the Jollie Catchment 2008-2010 2011-09-01T09:00:00 creation 2011-09-01T09:00:00 revision Depths Observations were taken by several groups of people along elevation transects within the catchment. Five snow depths observations were made within a 1 m radius every 10 m along the transects. Depths were determined using an avalanche probe and were recorded in mm. It was not uncommon for the snow depth to be greater than the probe in which case the depth was recorded as being greater than the probe length. The five measured depths and average are provided for each location. Density Density measurements were made approximately once per transect. Density observations were made either by sampling a known volume of snow at measured intervals down the wall of a snow pit and weighing them (using either a mass balance, or a calibrated snow density scale e.g. as manufactured by Winter Engineering), or by using a Mt Rose snow sampler. The depth of the snow often prevented the density observations from being taken all the way to ground. Density observations are provided for every snow sample, giving top and bottom depths of the sample. For a Mt Rose Sampler, this is a single density for up to a 4 m depth. For pit observations this a density for each 0.1 m depth. Locations Locations were recorded using a hand held GPS (+/- 10 m horizontal). New Zealand Map Grid was used. Position coordinates have been checked by plotting the points and subjectively asessing whether the positions are sensible. Points that are unreconcilable are noted as -9999 Note that NZMG coordinates use the NZGD1949 datum. Where provided, elevations were estimated based on barometer, GPS or map readings, and were recorded in metres. Raw data The data provided here has been transcribed from field notebooks. Errors may exist as a result of the original note taking and/or from the transcription. If an error is suspected, please contact Tim Kerr (t.kerr@niwa.co.nz) so that the error can be checked against the original field books. These data were collected with the generous assistance of many volunteers from New Zealand's snow and ice research community. Funding for the observations was provided by the NIWA capability fund. Acknowledgement of NIWA when using these data is appreciated and assists with promoting future snow and ice research programmes. Any communication regarding this data is welcomed and should be directed to t.kerr@niwa.co.nz To provide information about snow variability in a NZ alpine catchment These data were collected with the generous assistance of many volunteers from New Zealand's snow and ice research community.Funding for the observations was provided by the NIWA capability fund.Acknowledgement of NIWA when using these data is appreciated and assists with promoting future snow and ice research programmes.Please use the following citation:NIWA. 2010 Snow depth and density observations from the Jollie Catchment 2008-2010. Compiled by T. Kerr. Christchurch, NZ. National Institute of Water and Atmospheric Research Ltd. completed pointOfContact NIWA t.kerr@niwa.co.nz Tim Kerr Hydrology Scientist vector climatologyMeteorologyAtmosphere environment geoscientificInformation Jollie Catchment, Canterbury, New Zealand 174.264105,-42.099215 173.744383,-41.907383 173.463053,-42.117813 173.053389,-42.488129 172.721476,-42.103491 172.479033,-42.277029 171.710142,-42.903816 171.314245,-42.948149 170.615057,-43.431871 170.238184,-43.513901 169.699339,-43.963545 169.543104,-44.208303 169.641001,-44.596004 169.944216,-44.653984 170.094065,-44.940195 170.350157,-44.907763 170.387693,-45.078878 170.894705,-44.894241 170.894800,-44.894241 171.406801,-45.015368 171.616117,-44.375790 172.401239,-44.057322 172.998693,-44.098328 173.330328,-43.947910 173.371878,-43.635685 172.999571,-43.308992 173.462774,-43.075552 174.264105,-42.099215 169.543104 174.264105 -45.078878 -41.907383 2007-09-21T00:00:00 2010-10-03T00:00:00 snow hydrology snow surveys snow lake pukaki mackenzie jollie CRAW095 CF115480 FWWR1201 theme NIWA Project Codes 2012-01-01 publication NIWA_ProjectCode Use of this data is encouraged to further snow research efforts and to enhance inter-agency cooperation. eng https://dc.niwa.co.nz/niwa_dc/srv/metadata/47a3e685-e246-21d6-2e56-6cb51971bd21 WWW:LINK-1.0-http--metadata-URL Point of truth URL of this metadata record \\CHCH03\GROUPS\\Catchment processes\Jollie\Jollie_snow depth_and_density_data_V0-2.xls dataset Use of this data is encouraged to further snow research efforts and to enhance inter-agency cooperation.