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A. <\/SPAN><\/SPAN>A series of 31 satellite images was acquired between February and October 2017. These were from Sentinel-2A and -2B and Landsat-8. Each image was cloud-masked and then classified separately into land cover classes.<\/SPAN><\/SPAN><\/P>

<\/P>

The resulting set of <\/SPAN><\/SPAN>per-pixel <\/SPAN><\/SPAN>land cover classifications are:<\/SPAN><\/SPAN><\/P>

classn_lc_s<\/SPAN><\/SPAN><date><\/SPAN><\/SPAN>.img for those derived from Sentinel images, and<\/SPAN><\/SPAN><\/P>

classn_lc_l<\/SPAN><\/SPAN><date><\/SPAN><\/SPAN>.img for those derived from Landsat images.<\/SPAN><\/SPAN><\/P>

B. <\/SPAN><\/SPAN>A rule-set was used to draw together evidence from the time-series of 31 per-pixel land cover classifications into a single per-pixel land use map representing winter 2017.The term \u2018land use\u2019 pertains primarily to the agricultural classes that are the main focus of this work. The map also includes classes outside the agricultural area which are not formally land <\/SPAN><\/SPAN>use<\/SPAN><\/SPAN>classes, but are simply the dominant land cover class at that pixel through time. The classes are:<\/SPAN><\/SPAN><\/P>

Agricultural classes \u2013 winter forage<\/SPAN><\/SPAN><\/P>

WF kale<\/SPAN><\/SPAN><\/P>

WF other brassica and swede<\/SPAN><\/SPAN><\/P>

WF fodder beet<\/SPAN><\/SPAN><\/P>

WF cereal<\/SPAN><\/SPAN><\/P>

Unknown/other winter grazing \u2013 Intensive winter grazing on pasture or other unidentified winter crop<\/SPAN><\/SPAN><\/P>

Agricultural classes \u2013 non-forage<\/SPAN><\/SPAN><\/P>

Agricultural bare soil \u2013 Bare for an extended period April to July<\/SPAN><\/SPAN><\/P>

Crop residue, dead vegetation \u2013 Crop residue or dead vegetation for an extended period April to July<\/SPAN><\/SPAN><\/P>

Autumn-planted crop or pasture \u2013 Includes arable crops and pasture renewal<\/SPAN><\/SPAN><\/P>

Pasture \u2013 improved<\/SPAN><\/SPAN><\/P>

Pasture \u2013 unimproved/poor quality/low cover \u2013 Generally grazed, though there is a meeting point between this class and the non-agricultural (mostly ungrazed) class that includes tussockland.<\/SPAN><\/SPAN><\/P>

Unknown agriculture \u2013 Including mixed classes, scrubby pasture, narrow shelterbelts within a pasture/crop pixel<\/SPAN><\/SPAN><\/P>

Non-agricultural classes<\/SPAN><\/SPAN><\/P>

Forest and scrub \u2013 Both native and exotic, including forestry<\/SPAN><\/SPAN><\/P>

Tussockland, herbfield, alpine shrubland \u2013 Essentially ungrazed, though there is a meeting point between this class and the agricultural unimproved pasture class.<\/SPAN><\/SPAN><\/P>

Water \u2013 Lakes, rivers, estuaries<\/SPAN><\/SPAN><\/P>

Snow, ice<\/SPAN><\/SPAN><\/P>

Rock, scree, gravel, sand<\/SPAN><\/SPAN><\/P>

Hill country/non-agricultural bare soil \u2013 For example, land slips. Can be an overlap with the rock/gravel class in silty scree margins<\/SPAN><\/SPAN><\/P>

Deep shadow \u2013 Insufficient reflection of light to determine land cover class \u2013 generally in steep areas<\/SPAN><\/SPAN><\/P>

Urban, industrial<\/SPAN><\/SPAN><\/P>

C. <\/SPAN><\/SPAN>A GIS-format paddock boundary map (polygons) was derived from a selected subset of the time-series satellite images. The paddock boundary map covers only those areas considered to be \u2018agricultural\u2019 (rather than the whole Southland region, which also includes large alpine and forested areas). This polygon layer was imposed on the per-pixel land use map described in B above. A rule set was used to decide on a final land use classification for each paddock polygon, based on the land use classes of the set of pixels within it. The final output uses the same set of classes as listed in B. <\/SPAN><\/SPAN><\/P>

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