Table 3 Cold topics with the strongest negative trend
From: Reflecting trends in the academic landscape of sustainable energy using probabilistic topic modeling
Topic no. | Slope rank | Superordinate theme | Topic interpretation | Top 20 topic terms ordered by decreasing probability for each topic |
|---|---|---|---|---|
254 | 300 | Sustainable development | Global developments of humanity and natural resource use | world, earth, environment, natural_resource, human, future, global, sustainable_development, resource, energy_resource, man, population, planet, nature, humanity, today, problem, life, population_growth, future_generation |
280 | 291 | Â | Development in Asiaa | sustainable_development, promote, japan, environmental_protection, put, forward, comprehensive, progress, economic_development, promotion, utilization, japanese, coordination, government, national, realize, establishment, protection, country, developmental |
51 | 299 | Agriculture | Production of food crops and the extent of using agrochemicals | agricultural, agriculture, crop, farmer, farm, farming, organic, input, agricultural_production, food, cultivation, pesticide, productivity, crop_production, production_system, agricultural_system, fertilizer, farming_system, intensive, agroecosystem |
104 | 298 | International cooperation | International technology transfer and financial support mechanisms | country, access, promote, policy, international, support, government, incentive, mechanism, priority, market, technology_transfer, clean_development_mechanism, institution, lack, domestic, finance, encourage, provision, experience |
252 | 297 | Rural areas | Livelihood and development of rural communities | rural, village, poor, rural_area, livelihood, people, local, traditional, income, district, settlement, poverty, region, area, rural_development, access, indigenous, situation, population, rural_community |
225 | 296 | Nuclear energy | Potentials and risks of nuclear power | nuclear, nuclear_power, nuclear_energy, safety, future, japan, nuclear_power_plant, korea, risk, disaster, energy_source, electricity, fossil_fuel, option, korean, plan, safeguard, today, energy_mix, century |
10 | 289 | Nuclear energy | Nuclear energy technology | reactor, fuel, fuel_cycle, core, fusion, uranium, fast_reactor, spend, advanced, safety, plutonium, nuclear_energy, reprocess, cycle, neutron, thorium, nuclear, nuclear_fuel, lwr, nuclear_fuel_cycle |
207 | 295 | Population | Quality of life in the context of population growth | population, people, live, world, life, grow, century, billion, planet, today, society, billion_people, poverty, living, quality_life, health, decade, bring, old, global |
31 | 294 | Welfare | Welfare effects of economic growth and green growth | economy, economic, growth, employment, economic_growth, gdp, economic_activity, job, welfare, income, economics, wealth, decoupling, country, social, industrial, labor, green_growth, natural_resource, create |
161 | 293 | Human environment systems | Relationship between human activities and ecosystems | human, natural, ecosystem, nature, ecological, biological, human_activity, relationship, organism, biophysical, matter, theory, natural_capital, life, resilience, human_society, biosphere, natural_environment, regenerative, environment |
185 | 292 | International economic relations | International trade with a focus on the USA and Asia | country, trade, domestic, export, import, international, world, global, cooperation, economic_development, asia, usa, asian, developed_country, nation, economy, foreign, commodity, international_trade, trading |
221 | 290 | Regulation | Legislation and institutional authority | regulation, law, regulatory, government, legal, institutional, institution, international, rule, political, act, public, legislation, policy, protection, authority, state, reform, effort, national |
85 | 288 | Turkish energy system | Potentials and resources of the Turkish energy system | turkey, renewable_energy_source, fossil_fuel, country, energy_demand, import, renewable_energy, energy_source, renewable_energy_resource, domestic, grow, world, energy_supply, energy_resource, potential, rapidly, turkish, renewable_source, renewable, supply |
49 | 287 | Energy markets | Restructuring of electricity markets and competition | market, industry, competition, reform, producer, sale, competitive, electricity_market, competitiveness, restructuring, create, price, sell, revenue, trading, promote, demand, enter, expansion, government |
217 | 286 | Forestry | Forest management for biomass production | forest, wood, forestry, timber, harvest, forest_biomass, forest_management, harvesting, management, wood_product, log, deforestation, finland, forest_resource, woody_biomass, fire, manage, forest_ecosystem, forest_product, conservation |