Ground　roll,　a　source-generated　surface　wave,　is　a　main　type　of　coherent　noise　in　a　land　seismic　survey.　Low-frequency　and　high-amplitude　ground　roll　often　overlays　valid　reflection　events,　resulting　in　obscuring　seismic　reflections.　Ground-roll　attenuation　is　an　essential　step　for　seismic　data　processing,　which　is　based　on　the　accurate　separation　of　the　ground　roll　and　reflections　without　damaging　their　morphological　characteristics.　In　this　study,　we　effectively　separate　and　suppress　ground　roll　in　shot　gathers　through　a　proposed　workflow.　We　first　identify　the　major　components　of　the　ground　roll　adopting　the　multichannel　variational　mode　decomposition　(MVMD),　which　shows　significant　improvements　compared　to　the　conventional　single-channel　VMD.　Ground　roll　can　be　identified　on　the　decomposed　band-limited　intrinsic　mode　functions　(IMFs).　Moreover,　we　propose　an　adaptive　criterion　to　determine　the　number　of　decomposed　IMFs.　Due　to　the　narrowly　concentrated　frequency　components　with　the　multichannel　continuity　constraint　from　MVMD,　ground　roll　is　mainly　contained　in　low-frequency　IMFs,　which　benefits　the　accurate　ground-roll　suppression.　Next,　we　separate　ground　roll　and　reflections　on　the　selected　low-frequency　IMFs　through　a　curvelet　based　block-coordinate　relaxation　method.　Afterward,　we　can　obtain　a　filtered　gather　by　removing　the　separated　ground　roll　from　the　original　shot　gather.　Finally,　we　apply　the　proposed　workflow　to　synthetic　and　field　gathers　to　testify　its　validity　and　effectiveness　for　simultaneously　attenuating　ground　roll　and　preserving　valid　seismic　reflector　information.