Landlab

🔩 Other Changes and Additions

- Changed GitHub actions to use cibuildwheel for building wheels ([1368](https://github.com/landlab/landlab/issues/1368))

✨ New Components

- ListricKinematicExtender: Simulate Extensional Tectonic Motion on a Listric Fault Plane ([1283](https://github.com/landlab/landlab/issues/1283))
- PriorityFloodFlowRouter and SpaceLargeScaleEroder ([1352](https://github.com/landlab/landlab/issues/1352))
- Added BedrockLandslider component ([1362](https://github.com/landlab/landlab/issues/1362))

📚 New Tutorial Notebooks

- Added tutorial notebook for depth dependent taylor diffuser ([1306](https://github.com/landlab/landlab/issues/1306))

- Added tutorial notebook for chi finder ([1307](https://github.com/landlab/landlab/issues/1307))

- Added tutorial notebook for kinwave impl ([1308](https://github.com/landlab/landlab/issues/1308))

- Added tutorial notebook for taylor diffuser ([1309](https://github.com/landlab/landlab/issues/1309))

- Added notebook tutorials for two components (both written by Jordan Adams):
\* `DepthSlopeProductErosion`,
\* `DetachmentLtdErosion`

Added a tutorial showing how to "D4 pit fill" a DEM, and a version of the simple `hugo_site.asc` DEM that has been pit-filled. ([1313](https://github.com/landlab/landlab/issues/1313))

- Added tutorial notebook for Space component ([1314](https://github.com/landlab/landlab/issues/1314))

- Added tutorial notebook for erosiondeposition ttl ([1315](https://github.com/landlab/landlab/issues/1315))

- Added tutorial notebook for erodep ([1317](https://github.com/landlab/landlab/issues/1317))

- Added tutorial notebook for StreamPowerSmoothThresholdEroder ([1331](https://github.com/landlab/landlab/issues/1331))

🍰 New Features

- Infer data types of fields when reading from shape files ([1357](https://github.com/landlab/landlab/issues/1357))

🛠️ Bug Fixes

- Fixed ability to pass a masked array to imshow_grid_at_node ([1297](https://github.com/landlab/landlab/issues/1297))
- Fixed xarray 'axis' keyword error in map function ([1300](https://github.com/landlab/landlab/issues/1300))
- Fixed a missing absolute value in Courant condition in dupuit_percolator ([1311](https://github.com/landlab/landlab/issues/1311))
- Fixed pits and division by zero in lateral_erosion component ([1353](https://github.com/landlab/landlab/issues/1353))

📖 Documentation Enhancements

- Updated installation instructions ([1287](https://github.com/landlab/landlab/issues/1287))
- Minor updates to documentation ([1290](https://github.com/landlab/landlab/issues/1290))
- Run the link checker on docs ([1336](https://github.com/landlab/landlab/issues/1336))
- Fixed documentation errors in green ampt component ([1343](https://github.com/landlab/landlab/issues/1343))
- Added new references to landlab ([1344](https://github.com/landlab/landlab/issues/1344))
- Added a link to launch landlab notebooks on the CSDMS JupyterHub ([1347](https://github.com/landlab/landlab/issues/1347))

🔩 Other Changes and Additions

- Fixed warnings related to unnecessary use of numpy number types ([1323](https://github.com/landlab/landlab/issues/1323))
- Changed continuous integration to always check the docs build ([1336](https://github.com/landlab/landlab/issues/1336))
- Added a pre-commit configuration file ([1338](https://github.com/landlab/landlab/issues/1338))
- Drop the "file:" prefix when referencing pip requirements files ([1339](https://github.com/landlab/landlab/issues/1339))
- Removed usages of np.int from Cython code ([1354](https://github.com/landlab/landlab/issues/1354))
- Check that notebooks are both clean and blackened as part of continuous integration ([1355](https://github.com/landlab/landlab/issues/1355))

✨ New Components

- Added a tidal flow component ([1225](https://github.com/landlab/landlab/issues/1225))
- Added ExponentialWeathererIntegrated component ([1254](https://github.com/landlab/landlab/issues/1254))
- Added simple submarine diffuser component ([1269](https://github.com/landlab/landlab/issues/1269))

📚 New Tutorial Notebooks

- Added tutorial for river input to LEMs ([1258](https://github.com/landlab/landlab/issues/1258))

🍰 New Features

- Added recharge to the GroundwaterDupuitPercolator callback ([1223](https://github.com/landlab/landlab/issues/1223))
- Added Wavefront OBJ output ([1241](https://github.com/landlab/landlab/issues/1241))

🛠️ Bug Fixes

- Fixed bug in Flow router/depression finder which incorrectly directed flow ([1248](https://github.com/landlab/landlab/issues/1248))
- Fixed an error in the streampower notebook ([1260](https://github.com/landlab/landlab/issues/1260))
- Fixed a bug in the FlowAccumulator to update pit present logic to also include node flood status ([1277](https://github.com/landlab/landlab/issues/1277))
- Fixed a bug when adding a missing at_grid field when testing components ([1286](https://github.com/landlab/landlab/issues/1286))

📖 Documentation Enhancements

- Fixed documentation bugs ([1233](https://github.com/landlab/landlab/issues/1233))
- Added two 2020 publications ([1243](https://github.com/landlab/landlab/issues/1243))
- Added docs for the flow accumulator ([1251](https://github.com/landlab/landlab/issues/1251))
- Added a reference to the papers and presentations list ([1255](https://github.com/landlab/landlab/issues/1255))
- Added additional references for 2020 and 2021 ([1273](https://github.com/landlab/landlab/issues/1273))

🔩 Other Changes and Additions

- NetworkSedimentTtransporter JOSS paper fixes ([1235](https://github.com/landlab/landlab/issues/1235))
- Small changes to JOSS paper ([1237](https://github.com/landlab/landlab/issues/1237))
- Changed to use GitHub Actions for CI ([1270](https://github.com/landlab/landlab/issues/1270))
- Added building and testing of landlab with Python 3.9 ([1274](https://github.com/landlab/landlab/issues/1274))
- Added release and prerelease github actions ([1275](https://github.com/landlab/landlab/issues/1275))
- Cleaned up landlab metadata files; Removed versioneer, we'll use zest.releaser from now on the manage versions ([1285](https://github.com/landlab/landlab/issues/1285))

Fixed

- Fixed bug in Flexure1D when using “flexure” method \[Eric Hutton\]

Changed

- amanaster2/master \[733\] \[Sai Siddhartha Nudurupati\]

(fixed-1)=

Fixed

- Fixed bug in Flexure1D when using “flexure” method \[Eric Hutton\]
- Fixed unit test failures related to masked arrays (710) \[Eric
Hutton\]
- Fixed failed Travis builds being reported as passing \[Eric Hutton\]
- Fixed doctest for graph.adjacent_nodes_at_node \[Eric Hutton\]

Added

- Added CONTRIBUTING.md document \[Eric Hutton\]
- Added script to create a nicely formatted changelog \[Eric Hutton\]
- Added 1D Flexure component \[Eric Hutton\]
- Added cite_as function to get landlab component citations \[Eric
Hutton\]

(changed-1)=

Changed

- amanaster2/master \[733\] \[Sai Siddhartha Nudurupati\]
- landlab/barnhark/major_cleanup_to_space_and_erodepo_init \[709\] \[Katy
Barnhart\]
- landlab/gt/fix-doctest-issue-726 \[728\] \[Greg Tucker\]
- landlab/gt/ca-top-hit-bug \[720\] \[Greg Tucker\]
- landlab/barnhark/space_cell_area \[719\] \[Greg Tucker\]
- landlab/barnhark/use_field_name_array_or_float \[683\] \[Katy Barnhart\]
- landlab/barnhark/give_hex_models_watershed_methods \[685\] \[Katy
Barnhart\]
- landlab/SiccarPoint/fix-issue-702 \[706\] \[Katy Barnhart\]
- Giuseppecipolla95/Giuseppecipolla95/make_stream_length_utility \[658\]
\[Katy Barnhart\]
- landlab/barnhark/revert_channel_profiler \[695\] \[Katy Barnhart\]
- landlab/barnhark/space_rounding \[698\] \[Katy Barnhart\]

(fixed-2-1)=

Fixed

- Fixed bug in Flexure1D when using “flexure” method \[Eric Hutton\]
- Fixed unit test failures related to masked arrays (710) \[Eric
Hutton\]
- Fixed failed Travis builds being reported as passing \[Eric Hutton\]
- Fixed doctest for graph.adjacent_nodes_at_node \[Eric Hutton\]
- Fixed names of packages deployed to Anaconda Cloud \[Eric Hutton\]

(added-1)=

Added

- Added CONTRIBUTING.md document \[Eric Hutton\]
- Added script to create a nicely formatted changelog \[Eric Hutton\]
- Added 1D Flexure component \[Eric Hutton\]
- Added cite_as function to get landlab component citations \[Eric
Hutton\]
- Added adjacent_nodes_at_node, adjacent_corners_at_corner to Graph.
\[Eric Hutton\]

(changed-2-1)=

Changed

- amanaster2/master \[733\] \[Sai Siddhartha Nudurupati\]
- landlab/barnhark/major_cleanup_to_space_and_erodepo_init \[709\] \[Katy
Barnhart\]
- landlab/gt/fix-doctest-issue-726 \[728\] \[Greg Tucker\]
- landlab/gt/ca-top-hit-bug \[720\] \[Greg Tucker\]
- landlab/barnhark/space_cell_area \[719\] \[Greg Tucker\]
- landlab/barnhark/use_field_name_array_or_float \[683\] \[Katy Barnhart\]
- landlab/barnhark/give_hex_models_watershed_methods \[685\] \[Katy
Barnhart\]
- landlab/SiccarPoint/fix-issue-702 \[706\] \[Katy Barnhart\]
- Giuseppecipolla95/Giuseppecipolla95/make_stream_length_utility \[658\]
\[Katy Barnhart\]
- landlab/barnhark/revert_channel_profiler \[695\] \[Katy Barnhart\]
- landlab/barnhark/space_rounding \[698\] \[Katy Barnhart\]
- landlab/barnhark/add_docs_to_normal_fault \[677\] \[Katy Barnhart\]
- landlab/barnhark/space_type_updates \[669\] \[Katy Barnhart\]
- landlab/barnhark/minor_changes_to_normal_fault \[663\] \[Katy Barnhart\]
- landlab/gt-debug-ca-propswap \[661\] \[Greg Tucker\]
- landlab/barnhark/space_hex \[655\] \[Katy Barnhart\]