import intake
import hvplot.pandas
import hvplot.xarray
import cook_inlet_catalogs as cic
import holoviews as hv

Moorings (KBNERR): Kachemak Bay: Bear Cove, Seldovia

Moorings from Kachemak Bay National Estuarine Research Reserve (KBNERR)

Station mappings from AOOS/ERDDAP to KBNERR station list:

  • nerrs_kacsdwq :: kacsdwq

  • nerrs_kacsswq :: kacsswq

  • cdmo_nerrs_bearcove :: This is a different station than kacbcwq, which was active 2002-2003 while this is in 2015. They are also in different locations.

More information: https://accs.uaa.alaska.edu/kbnerr/

cat = intake.open_catalog(cic.utils.cat_path("moorings_kbnerr_bear_cove_seldovia"))

Plot all datasets in catalog

dd, ddlabels = cic.utils.combine_datasets_for_map(cat)
dd.hvplot(**cat.metadata["map"]) * ddlabels.hvplot(**cat.metadata["maplabels"])

List available datasets in the catalog

dataset_ids = list(cat)
dataset_ids
['cdmo_nerrs_bearcove', 'nerrs_kacsdwq', 'nerrs_kacsswq']

Select one dataset to investigate

try:
    dataset_id = dataset_ids[2]
except:
    dataset_id = dataset_ids[0]
print(dataset_id)

dd = cat[dataset_id].read()
dd
nerrs_kacsswq
time latitude longitude z sea_water_temperature sea_water_practical_salinity
0 2004-01-01 09:00:00+00:00 59.44099 -151.72096 0.0 2.3 25.9
1 2004-01-01 09:15:00+00:00 59.44099 -151.72096 0.0 2.4 26.5
2 2004-01-01 09:30:00+00:00 59.44099 -151.72096 0.0 2.5 26.6
3 2004-01-01 09:45:00+00:00 59.44099 -151.72096 0.0 3.0 27.0
4 2004-01-01 10:00:00+00:00 59.44099 -151.72096 0.0 2.9 25.8
... ... ... ... ... ... ...
733872 2025-06-11 18:45:00+00:00 59.44099 -151.72096 0.0 8.3 30.6
733873 2025-06-11 19:00:00+00:00 59.44099 -151.72096 0.0 8.3 30.7
733874 2025-06-11 19:15:00+00:00 59.44099 -151.72096 0.0 8.6 29.8
733875 2025-06-11 19:30:00+00:00 59.44099 -151.72096 0.0 8.4 30.4
733876 2025-06-11 19:45:00+00:00 59.44099 -151.72096 0.0 8.4 30.7

733876 rows × 6 columns

Plot one dataset

keys = list(cat[dataset_id].metadata["plots"].keys())
print(keys)

plots = []
for key in keys:
    plot_kwargs = cat[dataset_id].metadata["plots"][key]
    if "clim" in plot_kwargs and isinstance(plot_kwargs["clim"], list):
        plot_kwargs["clim"] = tuple(plot_kwargs["clim"])
    if "dynamic" in plot_kwargs:
        plot_kwargs["dynamic"] = False
    plots.append(cat[dataset_id].ToHvPlot(**plot_kwargs).read())
hv.Layout(plots).cols(1)
['data']
---------------------------------------------------------------------------
DataError                                 Traceback (most recent call last)
Cell In[6], line 11
      9     if "dynamic" in plot_kwargs:
     10         plot_kwargs["dynamic"] = False
---> 11     plots.append(cat[dataset_id].ToHvPlot(**plot_kwargs).read())
     12 hv.Layout(plots).cols(1)

File ~/checkouts/readthedocs.org/user_builds/cook-inlet-catalogs/conda/stable/lib/python3.11/site-packages/intake/readers/readers.py:121, in BaseReader.read(self, *args, **kwargs)
    119 kw.update(kwargs)
    120 args = kw.pop("args", ()) or args
--> 121 return self._read(*args, **kw)

File ~/checkouts/readthedocs.org/user_builds/cook-inlet-catalogs/conda/stable/lib/python3.11/site-packages/intake/readers/convert.py:629, in Pipeline._read(self, discover, **kwargs)
    627 kw = kwargs if i == len(self.steps) else {}
    628 if i:
--> 629     data = self._read_stage_n(i, data=data, **kw)
    630 else:
    631     data = self._read_stage_n(i, discover=discover, **kw)

File ~/checkouts/readthedocs.org/user_builds/cook-inlet-catalogs/conda/stable/lib/python3.11/site-packages/intake/readers/convert.py:615, in Pipeline._read_stage_n(self, stage, discover, **kwargs)
    613         return func(metadata=self.metadata).discover(*arg, **kw2)
    614     else:
--> 615         return func(metadata=self.metadata).read(*arg, **kw2)
    616 elif isinstance(func, BaseReader):
    617     if discover:

File ~/checkouts/readthedocs.org/user_builds/cook-inlet-catalogs/conda/stable/lib/python3.11/site-packages/intake/readers/readers.py:121, in BaseReader.read(self, *args, **kwargs)
    119 kw.update(kwargs)
    120 args = kw.pop("args", ()) or args
--> 121 return self._read(*args, **kw)

File ~/checkouts/readthedocs.org/user_builds/cook-inlet-catalogs/conda/stable/lib/python3.11/site-packages/intake/readers/convert.py:62, in BaseConverter._read(self, data, *args, **kwargs)
     60 if isinstance(data, BaseReader):
     61     data = data.read()
---> 62 return self.run(data, *args, **kwargs)

File ~/checkouts/readthedocs.org/user_builds/cook-inlet-catalogs/conda/stable/lib/python3.11/site-packages/intake/readers/convert.py:192, in ToHvPlot.run(self, data, explorer, **kw)
    189 if explorer:
    190     # this is actually a hvplot.ui:hvPlotExplorer and only allows tabular data
    191     return hvplot.explorer(data, **kw)
--> 192 return hvplot.hvPlot(data, **kw)()

File ~/checkouts/readthedocs.org/user_builds/cook-inlet-catalogs/conda/stable/lib/python3.11/site-packages/hvplot/plotting/core.py:95, in hvPlotBase.__call__(self, x, y, kind, **kwds)
     92         plot = self._get_converter(x, y, kind, **kwds)(kind, x, y)
     93         return pn.panel(plot, **panel_dict)
---> 95 return self._get_converter(x, y, kind, **kwds)(kind, x, y)

File ~/checkouts/readthedocs.org/user_builds/cook-inlet-catalogs/conda/stable/lib/python3.11/site-packages/hvplot/converter.py:2066, in HoloViewsConverter.__call__(self, kind, x, y)
   2063                 dataset = Dataset(data)
   2064             dataset = redim_(dataset, **self._redim)
-> 2066         obj = method(x, y)
   2067         obj._dataset = dataset
   2069 if self.crs and self.project:
   2070     # Apply projection before rasterizing

File ~/checkouts/readthedocs.org/user_builds/cook-inlet-catalogs/conda/stable/lib/python3.11/site-packages/hvplot/converter.py:2601, in HoloViewsConverter.line(self, x, y, data)
   2599 def line(self, x=None, y=None, data=None):
   2600     self._error_if_unavailable('line')
-> 2601     return self.chart(Curve, x, y, data)

File ~/checkouts/readthedocs.org/user_builds/cook-inlet-catalogs/conda/stable/lib/python3.11/site-packages/hvplot/converter.py:2590, in HoloViewsConverter.chart(self, element, x, y, data)
   2588 ydim = hv.Dimension(c, label=self.value_label)
   2589 kdims, vdims = self._get_dimensions([x], [ydim])
-> 2590 chart = element(data, kdims, vdims)
   2591 chart = relabel_redim(chart, self._relabel, self._redim)
   2592 charts.append((c, chart))

File ~/checkouts/readthedocs.org/user_builds/cook-inlet-catalogs/conda/stable/lib/python3.11/site-packages/holoviews/element/selection.py:24, in SelectionIndexExpr.__init__(self, *args, **kwargs)
     23 def __init__(self, *args, **kwargs):
---> 24     super().__init__(*args, **kwargs)
     25     self._index_skip = False

File ~/checkouts/readthedocs.org/user_builds/cook-inlet-catalogs/conda/stable/lib/python3.11/site-packages/holoviews/element/chart.py:54, in Chart.__init__(self, data, kdims, vdims, **params)
     52 if len(params.get('kdims', [])) == self._max_kdim_count + 1:
     53     self.param.warning('Chart elements should only be supplied a single kdim')
---> 54 super().__init__(data, **params)

File ~/checkouts/readthedocs.org/user_builds/cook-inlet-catalogs/conda/stable/lib/python3.11/site-packages/holoviews/core/data/__init__.py:338, in Dataset.__init__(self, data, kdims, vdims, **kwargs)
    336 (data, self.interface, dims, extra_kws) = initialized
    337 super().__init__(data, **dict(kwargs, **dict(dims, **extra_kws)))
--> 338 self.interface.validate(self, validate_vdims)
    340 # Handle _pipeline property
    341 if input_pipeline is None:

File ~/checkouts/readthedocs.org/user_builds/cook-inlet-catalogs/conda/stable/lib/python3.11/site-packages/holoviews/core/data/pandas.py:201, in PandasInterface.validate(cls, dataset, vdims)
    199 not_found = [d for d in dimensions if d not in cols]
    200 if not_found:
--> 201     raise DataError("Supplied data does not contain specified "
    202                     "dimensions, the following dimensions were "
    203                     f"not found: {not_found!r}", cls)

DataError: Supplied data does not contain specified dimensions, the following dimensions were not found: ['sea_surface_height_above_sea_level_geoid_local_station_datum']

PandasInterface expects tabular data, for more information on supported datatypes see https://holoviews.org/user_guide/Tabular_Datasets.html