Search
Start – Staff

Dr. Ing. Muhammad Usman
Research Focus
  • Agricultural Water Management
  • Hydrology and Hydrogeology
  • Remote Sensing of Agriculture and water Management
Scientific career
  • since 07/2020
    Scientist at Geoecology, Martin Luther Universität Halle-Wittenberg
  • 07/2017 – 06/2020
    Scientist at the Deparment of Remote Sensing, University Würzburg
  • 01/11/2011 – 15/06/2016
    Ph.D (Hydrogeology & Remote Sensing) – Technische Universität Dresden
  • 01/08/2005 – 15/07/2007
    M.Sc (HONS) Agricultural Engineering (Major: Water Management) University of Agriculture Faisalabad (Pakistan)
  • 01/09/2001 – 15/07/2005
    B.Sc Agricultural Engineering University of Agriculture Faisalabad (Pakistan)
Current projects

Publications

2355391 MDLREVTX PeerReview Usman, Muhammad 1 american-journal-of-plant-sciences 50 date desc 1 Usman, M. 5320 https://geooeko.geo.uni-halle.de/wp-content/plugins/zotpress/
%7B%22status%22%3A%22success%22%2C%22updateneeded%22%3Afalse%2C%22instance%22%3Afalse%2C%22meta%22%3A%7B%22request_last%22%3A150%2C%22request_next%22%3A50%2C%22used_cache%22%3Atrue%7D%2C%22data%22%3A%5B%7B%22key%22%3A%22H5FRWFY7%22%2C%22library%22%3A%7B%22id%22%3A2355391%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Mahmood%20et%20al.%22%2C%22parsedDate%22%3A%222025-01-09%22%2C%22numChildren%22%3A0%7D%2C%22bib%22%3A%22%26lt%3Bdiv%20class%3D%26quot%3Bcsl-bib-body%26quot%3B%20style%3D%26quot%3Bline-height%3A%201.35%3B%20%26quot%3B%26gt%3B%5Cn%20%20%26lt%3Bdiv%20class%3D%26quot%3Bcsl-entry%26quot%3B%20style%3D%26quot%3Bclear%3A%20left%3B%20%26quot%3B%26gt%3B%5Cn%20%20%20%20%26lt%3Bdiv%20class%3D%26quot%3Bcsl-left-margin%26quot%3B%20style%3D%26quot%3Bfloat%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%26quot%3B%26gt%3B1%20%26lt%3B%5C%2Fdiv%26gt%3B%26lt%3Bdiv%20class%3D%26quot%3Bcsl-right-inline%26quot%3B%20style%3D%26quot%3Bmargin%3A%200%20.4em%200%201.5em%3B%26quot%3B%26gt%3BMahmood%2C%20T.%2C%20%26lt%3Bstrong%26gt%3BUsman%2C%20M.%26lt%3B%5C%2Fstrong%26gt%3B%20and%20Conrad%2C%20C.%20%282025%29%20Selecting%20Relevant%20Features%20for%20Random%20Forest-Based%20Crop%20Type%20Classifications%20by%20Spatial%20Assessments%20of%20Backward%20Feature%20Reduction.%20%26lt%3Bi%26gt%3BPFG%20%26%23×2013%3B%20Journal%20of%20Photogrammetry%2C%20Remote%20Sensing%20and%20Geoinformation%20Science%26lt%3B%5C%2Fi%26gt%3B.%20%26lt%3Ba%20class%3D%26%23039%3Bzp-DOIURL%26%23039%3B%20target%3D%26%23039%3B_blank%26%23039%3B%20href%3D%26%23039%3Bhttps%3A%5C%2F%5C%2Fdoi.org%5C%2F10.1007%5C%2Fs41064-024-00329-4%26%23039%3B%26gt%3Bhttps%3A%5C%2F%5C%2Fdoi.org%5C%2F10.1007%5C%2Fs41064-024-00329-4%26lt%3B%5C%2Fa%26gt%3B.%26lt%3B%5C%2Fdiv%26gt%3B%5Cn%20%20%26lt%3B%5C%2Fdiv%26gt%3B%5Cn%26lt%3B%5C%2Fdiv%26gt%3B%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Selecting%20Relevant%20Features%20for%20Random%20Forest-Based%20Crop%20Type%20Classifications%20by%20Spatial%20Assessments%20of%20Backward%20Feature%20Reduction%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Talha%22%2C%22lastName%22%3A%22Mahmood%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Muhammad%22%2C%22lastName%22%3A%22Usman%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Christopher%22%2C%22lastName%22%3A%22Conrad%22%7D%5D%2C%22abstractNote%22%3A%22Abstract%20%5Cn%20%20%20%20%20%20%20%20%20%20%20%20Random%20Forest%20%28RF%29%20is%20a%5Cu00a0widely%20used%20machine%20learning%20algorithm%20for%20crop%20type%20mapping.%20RF%5Cu2019s%20variable%20importance%20aids%20in%20dimension%20reduction%20and%20identifying%20relevant%20multisource%20hyperspectral%20data.%20In%20this%20study%2C%20we%20examined%20spatial%20effects%20in%20a%5Cu00a0sequential%20backward%20feature%20elimination%20setting%20using%20RF%20variable%20importance%20in%20the%20example%20of%20a%5Cu00a0large-scale%20irrigation%20system%20in%20Punjab%2C%20Pakistan.%20We%20generated%20a%5Cu00a0reference%20classification%20with%20RF%20applied%20to%20122%20SAR%20and%20optical%20features%20from%20time%20series%20data%20of%20Sentinel%5Cu20111%20and%20Sentinel%5Cu20112%2C%20respectively.%20We%20ranked%20features%20based%20on%20variable%20importance%20and%20iteratively%20repeated%20the%20classification%20by%20excluding%20the%20least%20important%20feature%2C%20assessing%20its%20agreement%20with%20the%20reference%20classification.%20McNemar%5Cu2019s%20test%20identified%20the%20critical%20point%20where%20feature%20reduction%20significantly%20affected%20the%20RF%20model%5Cu2019s%20predictions.%20Additionally%2C%20spatial%20assessment%20metrics%20were%20monitored%20at%20the%20pixel%20level%2C%20including%20spatial%20confidence%20%28number%20of%20classifications%20agreeing%20with%20the%20reference%20map%29%20and%20spatial%20instability%20%28number%20of%20classes%20occurring%20during%20feature%20reduction%29.%20This%20process%20was%20repeated%2010%5Cu00a0times%20with%20ten%20distinct%20stratified%20random%20sampling%20splits%2C%20which%20showed%20similar%20variable%20rankings%20and%20critical%20points.%20In%20particular%2C%20VH%20SAR%20data%20was%20selected%20when%20cloud-free%20optical%20observations%20were%20unavailable.%20Omitting%2080%25%20of%20the%20features%20resulted%20in%20an%20insignificant%20loss%20of%20only%202%25%20overall%20accuracy%2C%20while%20spatial%20confidence%20decreased%20by%205%25.%20Moreover%2C%20the%20crop%20map%20at%20the%20critical%20point%20exhibited%20an%20increase%20in%20spatial%20instability%20from%20a%5Cu00a0single%20crop%20to%201.28.%20McNemar%5Cu2019s%20test%20and%20the%20spatial%20assessment%20metrics%20are%20recommended%20for%20optimized%20feature%20reduction%20benchmarks%20and%20identifying%20areas%20requiring%20additional%20ground%20data%20to%20improve%20the%20results.%22%2C%22date%22%3A%222025-01-09%22%2C%22language%22%3A%22en%22%2C%22DOI%22%3A%2210.1007%5C%2Fs41064-024-00329-4%22%2C%22ISSN%22%3A%222512-2789%2C%202512-2819%22%2C%22url%22%3A%22https%3A%5C%2F%5C%2Flink.springer.com%5C%2F10.1007%5C%2Fs41064-024-00329-4%22%2C%22collections%22%3A%5B%22MDLREVTX%22%5D%2C%22dateModified%22%3A%222025-01-13T14%3A41%3A03Z%22%7D%7D%2C%7B%22key%22%3A%22Z3N6VV3Q%22%2C%22library%22%3A%7B%22id%22%3A2355391%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Wenzel%20et%20al.%22%2C%22parsedDate%22%3A%222025%22%2C%22numChildren%22%3A0%7D%2C%22bib%22%3A%22%26lt%3Bdiv%20class%3D%26quot%3Bcsl-bib-body%26quot%3B%20style%3D%26quot%3Bline-height%3A%201.35%3B%20%26quot%3B%26gt%3B%5Cn%20%20%26lt%3Bdiv%20class%3D%26quot%3Bcsl-entry%26quot%3B%20style%3D%26quot%3Bclear%3A%20left%3B%20%26quot%3B%26gt%3B%5Cn%20%20%20%20%26lt%3Bdiv%20class%3D%26quot%3Bcsl-left-margin%26quot%3B%20style%3D%26quot%3Bfloat%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%26quot%3B%26gt%3B1%20%26lt%3B%5C%2Fdiv%26gt%3B%26lt%3Bdiv%20class%3D%26quot%3Bcsl-right-inline%26quot%3B%20style%3D%26quot%3Bmargin%3A%200%20.4em%200%201.5em%3B%26quot%3B%26gt%3BWenzel%2C%20J.L.%2C%20P%26%23xF6%3Bhlitz%2C%20J.%2C%20%26lt%3Bstrong%26gt%3BUsman%2C%20M.%26lt%3B%5C%2Fstrong%26gt%3B%2C%20Piernicke%2C%20T.%20and%20Conrad%2C%20C.%20%282025%29%20Enhancing%20Irrigation%20Scheduling%20by%20Application%20Efficiency%20Estimations%20and%20Soil%20Moisture%20Simulations.%20%26lt%3Bi%26gt%3BEuropean%20Journal%20of%20Agronomy%26lt%3B%5C%2Fi%26gt%3B%2C%20%26lt%3Bb%26gt%3B164%26lt%3B%5C%2Fb%26gt%3B%2C%20127487.%20%26lt%3Ba%20class%3D%26%23039%3Bzp-DOIURL%26%23039%3B%20target%3D%26%23039%3B_blank%26%23039%3B%20href%3D%26%23039%3Bhttps%3A%5C%2F%5C%2Fdoi.org%5C%2Fhttps%3A%5C%2F%5C%2Fdoi.org%5C%2F10.1016%5C%2Fj.eja.2024.127487%26%23039%3B%26gt%3Bhttps%3A%5C%2F%5C%2Fdoi.org%5C%2Fhttps%3A%5C%2F%5C%2Fdoi.org%5C%2F10.1016%5C%2Fj.eja.2024.127487%26lt%3B%5C%2Fa%26gt%3B.%26lt%3B%5C%2Fdiv%26gt%3B%5Cn%20%20%26lt%3B%5C%2Fdiv%26gt%3B%5Cn%26lt%3B%5C%2Fdiv%26gt%3B%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Enhancing%20irrigation%20scheduling%20by%20application%20efficiency%20estimations%20and%20soil%20moisture%20simulations%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jan%20Lukas%22%2C%22lastName%22%3A%22Wenzel%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Julia%22%2C%22lastName%22%3A%22P%5Cu00f6hlitz%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Muhammad%22%2C%22lastName%22%3A%22Usman%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Thomas%22%2C%22lastName%22%3A%22Piernicke%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Christopher%22%2C%22lastName%22%3A%22Conrad%22%7D%5D%2C%22abstractNote%22%3A%22%22%2C%22date%22%3A%222025%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%22https%3A%5C%2F%5C%2Fdoi.org%5C%2F10.1016%5C%2Fj.eja.2024.127487%22%2C%22ISSN%22%3A%22%22%2C%22url%22%3A%22%22%2C%22collections%22%3A%5B%22MDLREVTX%22%5D%2C%22dateModified%22%3A%222025-07-08T16%3A20%3A18Z%22%7D%7D%2C%7B%22key%22%3A%22KWWQ9U7C%22%2C%22library%22%3A%7B%22id%22%3A2355391%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22El-Hokayem%20et%20al.%22%2C%22parsedDate%22%3A%222023-08-30%22%2C%22numChildren%22%3A0%7D%2C%22bib%22%3A%22%26lt%3Bdiv%20class%3D%26quot%3Bcsl-bib-body%26quot%3B%20style%3D%26quot%3Bline-height%3A%201.35%3B%20%26quot%3B%26gt%3B%5Cn%20%20%26lt%3Bdiv%20class%3D%26quot%3Bcsl-entry%26quot%3B%20style%3D%26quot%3Bclear%3A%20left%3B%20%26quot%3B%26gt%3B%5Cn%20%20%20%20%26lt%3Bdiv%20class%3D%26quot%3Bcsl-left-margin%26quot%3B%20style%3D%26quot%3Bfloat%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%26quot%3B%26gt%3B1%20%26lt%3B%5C%2Fdiv%26gt%3B%26lt%3Bdiv%20class%3D%26quot%3Bcsl-right-inline%26quot%3B%20style%3D%26quot%3Bmargin%3A%200%20.4em%200%201.5em%3B%26quot%3B%26gt%3BEl-Hokayem%2C%20L.%2C%20De%20Vita%2C%20P.%2C%20%26lt%3Bstrong%26gt%3BUsman%2C%20M.%26lt%3B%5C%2Fstrong%26gt%3B%2C%20Link%2C%20A.%20and%20Conrad%2C%20C.%20%282023%2C%20August%2030%29%20Potential%20Groundwater%20Dependent%20Vegetation%20in%20the%20Mediterranean%20%5BDataset%5D.%20PANGAEA.%20%26lt%3Ba%20class%3D%26%23039%3Bzp-ItemURL%26%23039%3B%20target%3D%26%23039%3B_blank%26%23039%3B%20href%3D%26%23039%3Bhttps%3A%5C%2F%5C%2Fdoi.pangaea.de%5C%2F10.1594%5C%2FPANGAEA.961765%26%23039%3B%26gt%3Bhttps%3A%5C%2F%5C%2Fdoi.pangaea.de%5C%2F10.1594%5C%2FPANGAEA.961765%26lt%3B%5C%2Fa%26gt%3B.%26lt%3B%5C%2Fdiv%26gt%3B%5Cn%20%20%26lt%3B%5C%2Fdiv%26gt%3B%5Cn%26lt%3B%5C%2Fdiv%26gt%3B%22%2C%22data%22%3A%7B%22itemType%22%3A%22dataset%22%2C%22title%22%3A%22Potential%20groundwater%20dependent%20vegetation%20in%20the%20Mediterranean%20%5BDataset%5D%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22L%5Cu00e9onard%22%2C%22lastName%22%3A%22El-Hokayem%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Pantaleone%22%2C%22lastName%22%3A%22De%20Vita%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Muhammad%22%2C%22lastName%22%3A%22Usman%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Andreas%22%2C%22lastName%22%3A%22Link%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Christopher%22%2C%22lastName%22%3A%22Conrad%22%7D%5D%2C%22abstractNote%22%3A%22Groundwater%20dependent%20vegetation%20%28GDV%29%20is%20essential%20for%20maintaining%20ecosystem%20functions%20and%20services%2C%20providing%20critical%20habitat%20and%20sustaining%20human%20livelihoods.%20A%20novel%20multicriteria%20framework%20helps%20to%20identify%20areas%20where%20potential%20groundwater%20dependent%20vegetation%20%28pGDV%29%20occurs%20in%20the%20Mediterranean%20biome.%20Globally-available%20datasets%20targeting%201%29%20groundwater%20vegetation%20interaction%3B%202%29%20soil%20water%20holding%20capacity%3B%203%29%20topographical%20landscape%20wetness%20potential%3B%204%29%20land%20use%20land%20cover%20and%205%29%20hydraulic%20conductivity%20of%20rocks%20are%20combined%20in%20a%20weighted%2C%20easy-to-use%20index%2C%20composed%20of%20eleven%20thematic%20layers.%5CnInput%20layers%20for%20the%20index%20calculation%20are%20available%20in%20the%20data%20collection%3A%201%29%20pre-processed%20%28rasterised%20and%20clipped%20to%20the%20Mediterranean%29%20and%202%29%20harmonised%20and%20reclassified.%20All%20input%20data%20was%20extracted%20globally.%20Either%2C%20directly%20from%20the%20respective%20studies%20or%20through%20the%20data%20catalogue%20in%20the%20Google%20Earth%20Engine.%20All%20datasets%20were%20acquired%20and%20processed%20in%202022%20and%202023.%20Time%20series%20data%20for%20potential%20inflow%20dependency%20and%20Normalized%20Difference%20Vegetation%20Index%20%28NDVI%29%20were%20extracted%20for%20the%20period%202003-2021.%20Finally%2C%20the%20mean%20value%20was%20calculated%20over%20this%20period.%20All%20other%20data%20sets%2C%20however%2C%20mark%20a%20fixed%20point%20in%20time.%5CnGround%20truth%20vegetation%20data%20was%20used%20to%20calculate%20layer%20weightings%20with%20a%20Random%20Forest.%2010%20m%20%2A%2010%20m%20vegetation%20plots%20were%20collected%20in%20July%20and%20August%202021%20and%202022%20in%20southern%20Italy%20%28Campania%20region%29%20inside%20the%20%26%23039%3BCilento%2C%20Vallo%20di%20Diano%20and%20Alburni%20National%20Park%26%23039%3B.%20236%20vegetation%20plots%20are%20available%2C%20containing%20general%20information%20on%20the%20vegetation%20%28habitat%2C%20species%20number%2C%20stratification%29%2C%20mean%20indicator%20values%2C%20plant%20life%20forms%2C%20leaf%20anatomy%20as%20well%20as%20a%20calculated%20ecohydrological%20potential%20for%20the%20presence%20of%20GDV.%20The%20potential%20was%20calculated%20based%20on%20the%20coverage%20of%20phreatophyte%20species%20and%20the%20moisture%20value%20of%20non-phreatophyte%20species.%5CnThe%20final%20pGDV%20maps%20including%20different%20weightings%20of%20the%20eleven%20thematic%20layers%20are%20compiled%20at%20a%20resolution%20of%20500%20m%20in%20WGS1984%20%28EPSG%204326%29.%20Finally%2C%20five%20pGDV%20classes%20%28very%20low%20to%20very%20high%20potential%29%20were%20derived%20and%20the%20share%20of%20high%20pGDV%20was%20calculated%20for%20level%208%20HydroBASINS%20in%20the%20Mediterranean.%20Results%20support%20prioritisation%20of%20areas%20for%20essential%20regional%20high-resolution%20identification%20of%20GDV%2C%20to%20ensure%20sustainable%20groundwater%20management%20and%20in%20turn%20protect%20GDV%20as%20local%20biodiversity%20hotspots.%22%2C%22identifier%22%3A%22https%3A%5C%2F%5C%2Fdoi.pangaea.de%5C%2F10.1594%5C%2FPANGAEA.961765%22%2C%22type%22%3A%22%22%2C%22versionNumber%22%3A%22%22%2C%22date%22%3A%222023-08-30%22%2C%22repository%22%3A%22PANGAEA%22%2C%22repositoryLocation%22%3A%22%22%2C%22format%22%3A%22%22%2C%22DOI%22%3A%22%22%2C%22citationKey%22%3A%22%22%2C%22url%22%3A%22https%3A%5C%2F%5C%2Fdoi.pangaea.de%5C%2F10.1594%5C%2FPANGAEA.961765%22%2C%22language%22%3A%22en%22%2C%22collections%22%3A%5B%22MDLREVTX%22%5D%2C%22dateModified%22%3A%222023-09-04T09%3A19%3A05Z%22%7D%7D%2C%7B%22key%22%3A%22QK2QKTZR%22%2C%22library%22%3A%7B%22id%22%3A2355391%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22El-Hokayem%20et%20al.%22%2C%22parsedDate%22%3A%222023-08-24%22%2C%22numChildren%22%3A0%7D%2C%22bib%22%3A%22%26lt%3Bdiv%20class%3D%26quot%3Bcsl-bib-body%26quot%3B%20style%3D%26quot%3Bline-height%3A%201.35%3B%20%26quot%3B%26gt%3B%5Cn%20%20%26lt%3Bdiv%20class%3D%26quot%3Bcsl-entry%26quot%3B%20style%3D%26quot%3Bclear%3A%20left%3B%20%26quot%3B%26gt%3B%5Cn%20%20%20%20%26lt%3Bdiv%20class%3D%26quot%3Bcsl-left-margin%26quot%3B%20style%3D%26quot%3Bfloat%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%26quot%3B%26gt%3B1%20%26lt%3B%5C%2Fdiv%26gt%3B%26lt%3Bdiv%20class%3D%26quot%3Bcsl-right-inline%26quot%3B%20style%3D%26quot%3Bmargin%3A%200%20.4em%200%201.5em%3B%26quot%3B%26gt%3BEl-Hokayem%2C%20L.%2C%20De%20Vita%2C%20P.%2C%20%26lt%3Bstrong%26gt%3BUsman%2C%20M.%26lt%3B%5C%2Fstrong%26gt%3B%2C%20Link%2C%20A.%20and%20Conrad%2C%20C.%20%282023%29%20Mapping%20Potentially%20Groundwater-Dependent%20Vegetation%20in%20the%20Mediterranean%20Biome%20Using%20Global%20Geodata%20Targeting%20Site%20Conditions%20and%20Vegetation%20Characteristics.%20%26lt%3Bi%26gt%3BScience%20of%20The%20Total%20Environment%26lt%3B%5C%2Fi%26gt%3B%2C%20%26lt%3Bb%26gt%3B898%26lt%3B%5C%2Fb%26gt%3B%2C%20166397.%20%26lt%3Ba%20class%3D%26%23039%3Bzp-DOIURL%26%23039%3B%20target%3D%26%23039%3B_blank%26%23039%3B%20href%3D%26%23039%3Bhttps%3A%5C%2F%5C%2Fdoi.org%5C%2F10.1016%5C%2Fj.scitotenv.2023.166397%26%23039%3B%26gt%3Bhttps%3A%5C%2F%5C%2Fdoi.org%5C%2F10.1016%5C%2Fj.scitotenv.2023.166397%26lt%3B%5C%2Fa%26gt%3B.%26lt%3B%5C%2Fdiv%26gt%3B%5Cn%20%20%26lt%3B%5C%2Fdiv%26gt%3B%5Cn%26lt%3B%5C%2Fdiv%26gt%3B%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Mapping%20potentially%20groundwater-dependent%20vegetation%20in%20the%20Mediterranean%20biome%20using%20global%20geodata%20targeting%20site%20conditions%20and%20vegetation%20characteristics%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22L%5Cu00e9onard%22%2C%22lastName%22%3A%22El-Hokayem%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Pantaleone%22%2C%22lastName%22%3A%22De%20Vita%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Muhammad%22%2C%22lastName%22%3A%22Usman%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Andreas%22%2C%22lastName%22%3A%22Link%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Christopher%22%2C%22lastName%22%3A%22Conrad%22%7D%5D%2C%22abstractNote%22%3A%22%22%2C%22date%22%3A%222023-08-24%22%2C%22language%22%3A%22en%22%2C%22DOI%22%3A%2210.1016%5C%2Fj.scitotenv.2023.166397%22%2C%22ISSN%22%3A%2200489697%22%2C%22url%22%3A%22https%3A%5C%2F%5C%2Flinkinghub.elsevier.com%5C%2Fretrieve%5C%2Fpii%5C%2FS0048969723050222%22%2C%22collections%22%3A%5B%22MDLREVTX%22%5D%2C%22dateModified%22%3A%222023-08-25T09%3A57%3A04Z%22%7D%7D%2C%7B%22key%22%3A%22PBQDZ9VE%22%2C%22library%22%3A%7B%22id%22%3A2355391%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Link%2C%20Andreas%20et%20al.%22%2C%22parsedDate%22%3A%222023-08-03%22%2C%22numChildren%22%3A0%7D%2C%22bib%22%3A%22%26lt%3Bdiv%20class%3D%26quot%3Bcsl-bib-body%26quot%3B%20style%3D%26quot%3Bline-height%3A%201.35%3B%20%26quot%3B%26gt%3B%5Cn%20%20%26lt%3Bdiv%20class%3D%26quot%3Bcsl-entry%26quot%3B%20style%3D%26quot%3Bclear%3A%20left%3B%20%26quot%3B%26gt%3B%5Cn%20%20%20%20%26lt%3Bdiv%20class%3D%26quot%3Bcsl-left-margin%26quot%3B%20style%3D%26quot%3Bfloat%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%26quot%3B%26gt%3B1%20%26lt%3B%5C%2Fdiv%26gt%3B%26lt%3Bdiv%20class%3D%26quot%3Bcsl-right-inline%26quot%3B%20style%3D%26quot%3Bmargin%3A%200%20.4em%200%201.5em%3B%26quot%3B%26gt%3BLink%2C%20Andreas%2C%20El-Hokayem%2C%20L.%2C%20%26lt%3Bstrong%26gt%3BUsman%2C%20M.%26lt%3B%5C%2Fstrong%26gt%3B%2C%20Conrad%2C%20C.%2C%20Reinecke%2C%20R.%2C%20Berger%2C%20M.%2C%20Wada%2C%20Y.%2C%20Coroama%2C%20V.%20and%20Finkbeiner%2C%20M.%20%282023%2C%20August%203%29%20Groundwater-Dependent%20Ecosystems%20at%20Risk%20%5BDataset%5D.%20Mendeley.%20%26lt%3Ba%20class%3D%26%23039%3Bzp-DOIURL%26%23039%3B%20target%3D%26%23039%3B_blank%26%23039%3B%20href%3D%26%23039%3Bhttps%3A%5C%2F%5C%2Fdoi.org%5C%2F10.17632%5C%2FP39Y3MDH6N.3%26%23039%3B%26gt%3Bhttps%3A%5C%2F%5C%2Fdoi.org%5C%2F10.17632%5C%2FP39Y3MDH6N.3%26lt%3B%5C%2Fa%26gt%3B.%26lt%3B%5C%2Fdiv%26gt%3B%5Cn%20%20%26lt%3B%5C%2Fdiv%26gt%3B%5Cn%26lt%3B%5C%2Fdiv%26gt%3B%22%2C%22data%22%3A%7B%22itemType%22%3A%22dataset%22%2C%22title%22%3A%22Groundwater-dependent%20ecosystems%20at%20risk%20%5BDataset%5D%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22name%22%3A%22Link%2C%20Andreas%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22L%5Cu00e9onard%22%2C%22lastName%22%3A%22El-Hokayem%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Muhammad%22%2C%22lastName%22%3A%22Usman%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Christopher%22%2C%22lastName%22%3A%22Conrad%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Robert%22%2C%22lastName%22%3A%22Reinecke%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Markus%22%2C%22lastName%22%3A%22Berger%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Yoshihide%22%2C%22lastName%22%3A%22Wada%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Vlad%22%2C%22lastName%22%3A%22Coroama%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Matthias%22%2C%22lastName%22%3A%22Finkbeiner%22%7D%5D%2C%22abstractNote%22%3A%22This%20dataset%20relates%20to%20the%20publication%3A%20%26quot%3BGroundwater-dependent%20ecosystems%20at%20risk%20%5Cu2013%20global%20hotspot%20analysis%20and%20implications%26quot%3B%20%28Environmental%20Research%20Letters%29.%20It%20provides%20the%20key%20results%20and%20processed%20input%20data%20of%20this%20work.%20The%20results%20relate%20to%20a%20global%20screening%20analyisis%20on%20potentials%20for%20groundwater-dependent%20ecosystems%20and%20associated%20risks%20due%20to%20human%20groundwater%20abstraction.%20Nine%20key%20indicators%20capture%20GDE%20potentials%20and%20associated%20risks%20on%20a%20global%20grid%20at%20a%20spatial%20resolution%20of%200.5%5Cu00b0.%20%20Full%20details%20of%20the%20work%20can%20be%20found%20in%20the%20associated%20publication.%22%2C%22identifier%22%3A%22DOI%3A%2010.17632%5C%2Fp39y3mdh6n.3%22%2C%22type%22%3A%22%22%2C%22versionNumber%22%3A%22%22%2C%22date%22%3A%222023-08-03T03%3A21%3A23.5%22%2C%22repository%22%3A%22Mendeley%22%2C%22repositoryLocation%22%3A%22%22%2C%22format%22%3A%22%22%2C%22DOI%22%3A%2210.17632%5C%2FP39Y3MDH6N.3%22%2C%22citationKey%22%3A%22%22%2C%22url%22%3A%22https%3A%5C%2F%5C%2Fdata.mendeley.com%5C%2Fdatasets%5C%2Fp39y3mdh6n%5C%2F3%22%2C%22language%22%3A%22%22%2C%22collections%22%3A%5B%22MDLREVTX%22%5D%2C%22dateModified%22%3A%222023-09-04T09%3A22%3A54Z%22%7D%7D%2C%7B%22key%22%3A%2288SC7WBP%22%2C%22library%22%3A%7B%22id%22%3A2355391%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Link%20et%20al.%22%2C%22parsedDate%22%3A%222023-07-26%22%2C%22numChildren%22%3A0%7D%2C%22bib%22%3A%22%26lt%3Bdiv%20class%3D%26quot%3Bcsl-bib-body%26quot%3B%20style%3D%26quot%3Bline-height%3A%201.35%3B%20%26quot%3B%26gt%3B%5Cn%20%20%26lt%3Bdiv%20class%3D%26quot%3Bcsl-entry%26quot%3B%20style%3D%26quot%3Bclear%3A%20left%3B%20%26quot%3B%26gt%3B%5Cn%20%20%20%20%26lt%3Bdiv%20class%3D%26quot%3Bcsl-left-margin%26quot%3B%20style%3D%26quot%3Bfloat%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%26quot%3B%26gt%3B1%20%26lt%3B%5C%2Fdiv%26gt%3B%26lt%3Bdiv%20class%3D%26quot%3Bcsl-right-inline%26quot%3B%20style%3D%26quot%3Bmargin%3A%200%20.4em%200%201.5em%3B%26quot%3B%26gt%3BLink%2C%20A.%2C%20El-Hokayem%2C%20L.%2C%20%26lt%3Bstrong%26gt%3BUsman%2C%20M.%26lt%3B%5C%2Fstrong%26gt%3B%2C%20Conrad%2C%20C.%2C%20Reinecke%2C%20R.%2C%20Berger%2C%20M.%2C%20Wada%2C%20Y.%2C%20Coroama%2C%20V.%20and%20Finkbeiner%2C%20M.%20%282023%29%20Groundwater-Dependent%20Ecosystems%20at%20Risk%20%26%23×2013%3B%20Global%20Hotspot%20Analysis%20and%20Implications.%20%26lt%3Bi%26gt%3BEnvironmental%20Research%20Letters%26lt%3B%5C%2Fi%26gt%3B.%20%26lt%3Ba%20class%3D%26%23039%3Bzp-DOIURL%26%23039%3B%20target%3D%26%23039%3B_blank%26%23039%3B%20href%3D%26%23039%3Bhttps%3A%5C%2F%5C%2Fdoi.org%5C%2F10.1088%5C%2F1748-9326%5C%2Facea97%26%23039%3B%26gt%3Bhttps%3A%5C%2F%5C%2Fdoi.org%5C%2F10.1088%5C%2F1748-9326%5C%2Facea97%26lt%3B%5C%2Fa%26gt%3B.%26lt%3B%5C%2Fdiv%26gt%3B%5Cn%20%20%26lt%3B%5C%2Fdiv%26gt%3B%5Cn%26lt%3B%5C%2Fdiv%26gt%3B%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Groundwater-dependent%20ecosystems%20at%20risk%20%5Cu2013%20global%20hotspot%20analysis%20and%20implications%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Andreas%22%2C%22lastName%22%3A%22Link%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22L%5Cu00e9onard%22%2C%22lastName%22%3A%22El-Hokayem%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Muhammad%22%2C%22lastName%22%3A%22Usman%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Christopher%22%2C%22lastName%22%3A%22Conrad%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Robert%22%2C%22lastName%22%3A%22Reinecke%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Markus%22%2C%22lastName%22%3A%22Berger%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Yoshihide%22%2C%22lastName%22%3A%22Wada%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Vlad%22%2C%22lastName%22%3A%22Coroama%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Matthias%22%2C%22lastName%22%3A%22Finkbeiner%22%7D%5D%2C%22abstractNote%22%3A%22Abstract%20%5Cn%20%20%20%20%20%20%20%20%20%20%20%20Many%20land-based%20ecosystems%20are%20dependent%20on%20groundwater%20and%20could%20be%20threatened%20by%20human%20groundwater%20abstraction.%20One%20key%20challenge%20for%20the%20description%20of%20associated%20impacts%20is%20the%20initial%20localisation%20of%20groundwater-dependent%20ecosystems%20%28GDEs%29.%20This%20usually%20requires%20a%20mixture%20of%20extensive%20site-specific%20data%20collection%20and%20the%20use%20of%20geospatial%20datasets%20and%20remote%20sensing%20techniques.%20To%20date%2C%20no%20study%20has%20succeeded%20in%20identifying%20different%20types%20of%20GDEs%20in%20parallel%20worldwide.%20The%20main%20objective%20of%20this%20work%20is%20to%20perform%20a%20global%20screening%20analysis%20to%20identify%20GDE%20potentials%20rather%20than%20GDE%20locations.%20In%20addition%2C%20potential%20risks%20to%20GDEs%20from%20groundwater%20abstraction%20shall%20be%20identified.%20We%20defined%20nine%20key%20indicators%20that%20capture%20GDE%20potentials%20and%20associated%20risks%20on%20a%20global%20grid%20of%200.5%5Cu00b0%20spatial%20resolution.%20Groundwater-dependent%20streams%2C%20wetlands%20and%20vegetation%20were%20covered%2C%20and%20a%20GDE%20index%20was%20formulated%20incorporating%20the%20following%20three%20aspects%3A%20the%20extent%20of%20groundwater%20use%20per%20GDE%20type%2C%20GDE%20diversity%20and%20GDE%20presence%20by%20land%20cover.%20The%20results%20show%20that%20GDE%20potentials%20are%20widely%20distributed%20across%20the%20globe%2C%20but%20with%20different%20distribution%20patterns%20depending%20on%20the%20type%20of%20ecosystem.%20The%20highest%20overall%20potential%20for%20GDEs%20is%20found%20in%20tropical%20regions%2C%20followed%20by%20arid%20and%20temperate%20climates.%20The%20GDE%20potentials%20were%20validated%20against%20regional%20studies%2C%20which%20showed%20a%20trend%20of%20increasing%20matching%20characteristics%20towards%20higher%20GDE%20potentials%2C%20but%20also%20inconsistencies%20upon%20closer%20analysis.%20Thus%2C%20the%20results%20can%20be%20used%20as%20first-order%20estimates%20only%2C%20which%20would%20need%20to%20be%20explored%20in%20the%20context%20of%20more%20site-specific%20analyses.%20Identified%20risks%20to%20GDEs%20from%20groundwater%20abstraction%20are%20more%20geographically%20limited%20and%20concentrated%20in%20the%20US%20and%20Mexico%2C%20the%20Iberian%20Peninsula%20and%20the%20Maghreb%2C%20as%20well%20as%20Central%2C%20South%20and%20East%20Asia.%20The%20derived%20findings%20on%20GDEs%20and%20associated%20risks%20can%20be%20useful%20for%20prioritising%20future%20research%20and%20can%20be%20integrated%20into%20sustainability-related%20tools%20such%20as%20the%20water%20footprint.%26%23xD%3B%22%2C%22date%22%3A%222023-07-26%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%2210.1088%5C%2F1748-9326%5C%2Facea97%22%2C%22ISSN%22%3A%221748-9326%22%2C%22url%22%3A%22https%3A%5C%2F%5C%2Fiopscience.iop.org%5C%2Farticle%5C%2F10.1088%5C%2F1748-9326%5C%2Facea97%22%2C%22collections%22%3A%5B%22MDLREVTX%22%5D%2C%22dateModified%22%3A%222023-08-14T04%3A30%3A27Z%22%7D%7D%2C%7B%22key%22%3A%22NNXCX9GV%22%2C%22library%22%3A%7B%22id%22%3A2355391%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Wenzel%20et%20al.%22%2C%22parsedDate%22%3A%222021-12-16%22%2C%22numChildren%22%3A1%7D%2C%22bib%22%3A%22%26lt%3Bdiv%20class%3D%26quot%3Bcsl-bib-body%26quot%3B%20style%3D%26quot%3Bline-height%3A%201.35%3B%20%26quot%3B%26gt%3B%5Cn%20%20%26lt%3Bdiv%20class%3D%26quot%3Bcsl-entry%26quot%3B%20style%3D%26quot%3Bclear%3A%20left%3B%20%26quot%3B%26gt%3B%5Cn%20%20%20%20%26lt%3Bdiv%20class%3D%26quot%3Bcsl-left-margin%26quot%3B%20style%3D%26quot%3Bfloat%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%26quot%3B%26gt%3B1%20%26lt%3B%5C%2Fdiv%26gt%3B%26lt%3Bdiv%20class%3D%26quot%3Bcsl-right-inline%26quot%3B%20style%3D%26quot%3Bmargin%3A%200%20.4em%200%201.5em%3B%26quot%3B%26gt%3BWenzel%2C%20J.L.%2C%20Schmidt%2C%20G.%2C%20%26lt%3Bstrong%26gt%3BUsman%2C%20M.%26lt%3B%5C%2Fstrong%26gt%3B%2C%20Conrad%2C%20C.%20and%20Volk%2C%20M.%20%282021%29%20Long-Term%20Baseflow%20Estimation%20and%20Environmental%20Flow%20assessment%5Cnin%20a%20Mining-Impacted%20Catchment%20in%20Central%20Germany.%20%26lt%3Bi%26gt%3BHercynia%20N.F.%26lt%3B%5C%2Fi%26gt%3B%2C%20%26lt%3Bb%26gt%3B54%26lt%3B%5C%2Fb%26gt%3B%2C%20103%26%23×2013%3B143.%26lt%3B%5C%2Fdiv%26gt%3B%5Cn%20%20%26lt%3B%5C%2Fdiv%26gt%3B%5Cn%26lt%3B%5C%2Fdiv%26gt%3B%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Long-term%20baseflow%20estimation%20and%20environmental%20flow%20assessment%5Cnin%20a%20mining-impacted%20catchment%20in%20Central%20Germany%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jan%20Lukas%22%2C%22lastName%22%3A%22Wenzel%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Gerd%22%2C%22lastName%22%3A%22Schmidt%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Muhammad%22%2C%22lastName%22%3A%22Usman%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Christopher%22%2C%22lastName%22%3A%22Conrad%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Martin%22%2C%22lastName%22%3A%22Volk%22%7D%5D%2C%22abstractNote%22%3A%22%22%2C%22date%22%3A%2216.12.2021%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%22%22%2C%22ISSN%22%3A%22%22%2C%22url%22%3A%22%22%2C%22collections%22%3A%5B%22MDLREVTX%22%5D%2C%22dateModified%22%3A%222021-12-19T08%3A18%3A27Z%22%7D%7D%5D%7D
1
Mahmood, T., Usman, M. and Conrad, C. (2025) Selecting Relevant Features for Random Forest-Based Crop Type Classifications by Spatial Assessments of Backward Feature Reduction. PFG – Journal of Photogrammetry, Remote Sensing and Geoinformation Science. https://doi.org/10.1007/s41064-024-00329-4.
1
Wenzel, J.L., Pöhlitz, J., Usman, M., Piernicke, T. and Conrad, C. (2025) Enhancing Irrigation Scheduling by Application Efficiency Estimations and Soil Moisture Simulations. European Journal of Agronomy, 164, 127487. https://doi.org/https://doi.org/10.1016/j.eja.2024.127487.
1
El-Hokayem, L., De Vita, P., Usman, M., Link, A. and Conrad, C. (2023, August 30) Potential Groundwater Dependent Vegetation in the Mediterranean [Dataset]. PANGAEA. https://doi.pangaea.de/10.1594/PANGAEA.961765.
1
El-Hokayem, L., De Vita, P., Usman, M., Link, A. and Conrad, C. (2023) Mapping Potentially Groundwater-Dependent Vegetation in the Mediterranean Biome Using Global Geodata Targeting Site Conditions and Vegetation Characteristics. Science of The Total Environment, 898, 166397. https://doi.org/10.1016/j.scitotenv.2023.166397.
1
Link, Andreas, El-Hokayem, L., Usman, M., Conrad, C., Reinecke, R., Berger, M., Wada, Y., Coroama, V. and Finkbeiner, M. (2023, August 3) Groundwater-Dependent Ecosystems at Risk [Dataset]. Mendeley. https://doi.org/10.17632/P39Y3MDH6N.3.
1
Link, A., El-Hokayem, L., Usman, M., Conrad, C., Reinecke, R., Berger, M., Wada, Y., Coroama, V. and Finkbeiner, M. (2023) Groundwater-Dependent Ecosystems at Risk – Global Hotspot Analysis and Implications. Environmental Research Letters. https://doi.org/10.1088/1748-9326/acea97.
1
Wenzel, J.L., Schmidt, G., Usman, M., Conrad, C. and Volk, M. (2021) Long-Term Baseflow Estimation and Environmental Flow assessment in a Mining-Impacted Catchment in Central Germany. Hercynia N.F., 54, 103–143.
2355391 MDLREVTX BookContributions Usman, Muhammad 1 american-journal-of-plant-sciences 50 date desc 1 Usman, M. 5320 https://geooeko.geo.uni-halle.de/wp-content/plugins/zotpress/
2355391 MDLREVTX ConferencePaper Usman, Muhammad 1 american-journal-of-plant-sciences 50 date desc 1 Usman, M. 5320 https://geooeko.geo.uni-halle.de/wp-content/plugins/zotpress/
2355391 MDLREVTX Presentation Usman, Muhammad 1 american-journal-of-plant-sciences 50 date desc 1 Usman, M. 5320 https://geooeko.geo.uni-halle.de/wp-content/plugins/zotpress/
2355391 MDLREVTX Others Usman, Muhammad 1 american-journal-of-plant-sciences 50 date desc 1 Usman, M. 5320 https://geooeko.geo.uni-halle.de/wp-content/plugins/zotpress/
Dr. Ing. Muhammad Usman
  • Room H4 1.33
  • Office hours by appointment
  • 0049 (0)345/55-26026
  • muhammad.usman@geo.uni-halle.de