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Cylchredau Dŵr a Charbon
Cylchredau Dŵr a Charbon
Cynnwys yr Uned
Cynnwys yr Uned
3.1.1 Cysyniadau cydbwysedd màs a system
3.1.2 Hydroleg dalgylch – dalgylch afon ar ffurf system
3.1.3 Amrywiadau tymhorol/amseryddol o ran arllwysiad afonydd
3.1.4 Dyodiad a gormodedd o ddŵr ffo yn y gylchred ddŵr
3.1.5 Diffyg yn y gylchred ddŵr
3.1.6 Y gylchred garbon fyd-eang
3.1.7 Storfeydd carbon mewn bïomau gwahanol
3.1.8 Storfeydd carbon mewn mawndiroedd yn newid dros amser
3.1.9 Cysylltiadau rhwng y cylchredau dŵr a charbon
3.1.10 Adborth yn y cylchredau carbon a dŵr, a rhyngddynt
Water and Carbon Cycles
Water and Carbon Cycles
Unit content
Unit content
3.1.1 The concepts of system and mass balance
3.1.2 Catchment hydrology – the drainage basin as a system
3.1.3 Temporal variations in river discharge
3.1.4 Precipitation and excess runoff within the water cycle
3.1.5 Deficit within the water cycle
3.1.6 The global carbon cycle
3.1.7 Carbon stores in different biomes
3.1.8 Changing carbon stores in peatlands over time
3.1.9 Links between the water and carbon cycles
3.1.10 Feedback within and between the carbon and water cycles
Llywodraethiant Byd-eang
Llywodraethiant Byd-eang
Cynnwys yr Uned
Cynnwys yr Uned
3.2.1 Globaleiddio, mudo a byd sy’n lleihau
3.2.2 Achosion o fudo economaidd rhyngwladol
3.2.3 Canlyniadau a dulliau rheoli mudo economaidd rhyngwladol
3.2.4 Achosion, canlyniadau a dulliau rheoli symudiadau o ran ffoaduriaid
3.2.5 Achosion, canlyniadau, a dulliau rheoli mudo gwledigtrefol mewn gwledydd sy’n datblygu
3.2.6 Llywodraethiant byd-eang o gefnforoedd y Ddaear
3.2.7 Llifoedd byd-eang llongau a cheblau’r môr
3.2.8 Sofraniaeth adnoddau’r cefnforoedd
3.2.9 Rheoli amgylcheddau morol
3.2.10 Rheoli llygredd cefnforoedd
Global Governance
Global Governance
Unit Content
Unit Content
3.2.1 Globalisation, migration and a shrinking world
3.2.2 Causes of international economic migration
3.2.3 Consequences and management of international economic migration
3.2.4 Causes, consequences, and management of refugee movements
3.2.5 Causes, consequences, and management of rural-urban migration in developing countries
3.2.6 Global governance of the Earth’s oceans
3.2.7 Global flows of shipping and sea cables
3.2.8 Sovereignty of ocean resources
3.2.9 Managing marine environments
3.2.10 Managing ocean pollution
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