Skip to main content

Table 1 Most frequent words and relative word frequencies by topic for a sample set of topics

From: Assessing citizen science opportunities in forest monitoring using probabilistic topic modelling

Topic 69 “science study” Topic 38 “science study” Topic 67 “information systems” Topic 32 “climate change”
Results 0.047 Study 0.029 Information 0.049 Climate 0.180
Methods 0.046 Results 0.027 Systems 0.036 Change 0.129
Method 0.044 Change 0.024 Development 0.035 Effects 0.037
Study 0.030 Time 0.022 Paper 0.033 Water 0.026
Accuracy 0.030 Analysis 0.019 Support 0.024 Ecosystems 0.024
Based 0.028 Studies 0.018 Developing 0.019 Response 0.022
Compared 0.023 Large 0.017 Process 0.019 Management 0.021
High 0.021 Significant 0.016 Framework 0.017 Integrated 0.016
Evaluated 0.014 Years 0.016 Key 0.016 Ground 0.016
Developed 0.014 Found 0.015 Based 0.013 Impacts 0.015
Topic 0 “volunteer surveys” Topic 30 “education” Topic 24 “plant phenology” Topic 85 “galaxies”
Volunteers 0.161 Students 0.112 Plant 0.082 Galaxy 0.065
Volunteer 0.118 Learning 0.056 Phenology 0.078 Galaxies 0.054
Collected 0.041 Education 0.056 Plants 0.066 Zoo 0.044
Scientists 0.030 Classroom 0.024 Species 0.059 Project 0.026
Groups 0.025 Teaching 0.020 Phenological 0.043 dna 0.026
Recording 0.021 School 0.019 Interactions 0.033 Morphological 0.026
Professional 0.020 Literacy 0.018 Network 0.032 Spiral 0.023
Surveying 0.020 Teachers 0.018 Networks 0.032 Supernovae 0.021
Environment 0.019 Educational 0.017 Observations 0.023 Genetic 0.021
Motivations 0.018 Experiences 0.013 Timing 0.023 Classifications 0.016
Topic 53 “forest growth” Topic 87 “SAR” Topic 91 “ozone” Topic 20 “carbon stocks”
Tree 0.126 Sar 0.068 Ozone 0.103 Carbon 0.091
Trees 0.082 Coherence 0.038 Concentrations 0.051 Redd 0.052
Growth 0.064 Radar 0.034 Sites 0.048 Countries 0.049
Species 0.032 Backscatter 0.032 Measured 0.036 National 0.044
Structure 0.032 l-band 0.023 Site 0.029 Change 0.032
Area 0.023 ers 0.022 Passive 0.027 Deforestation 0.031
Composition 0.021 Stands 0.022 Symptoms 0.023 Stocks 0.024
Plots 0.020 Biomass 0.022 Measurements 0.021 Climate 0.022
Diameter 0.020 Areas 0.020 Critical 0.019 Inventory 0.019
Conditions 0.017 Images 0.020 Sampling 0.019 Reporting 0.017
  1. The table shows sample generic topics (top row), typical citizen science topics (middle row) and typical forest monitoring topics (bottom row). For each topic the topic ID and a representative label is provided.