Salinity
   Effects on Corals
   Oceans
   Effects on Plants

Satellite Temperature Data

Seafloor Spreading

Sea Ice
   Antarctic
   Arctic
      Extent
      Thickness
   Models

Sea Level
   Asian Measurements
   Difficulties Predicting Change
   Effects on Carbon Sequestration
   European Measurements
   Global Measurements
   North American Measurements
   The Role of Antarctica
   The Role of Greenland
   Small Island States
   Southern Hemisphere Measurements

Sea Level Pressure

Seasonal CO2 Cycle

Sediment

Seeds
   Crops
   Grasslands
   Miscellaneous
   Trees
   Weeds

Senescence

Shellfish

Ship Tracks

Seismic Activity

Snow
   Europe
   Miscellaneous
   North America

Soil
   Biota
   Carbon Sequestration
   Decontamination
   Erosion
   Respiration
   Salinity
   Stability
   Temperature
   Water Status
      Field Studies
      Modeling Studies
      Growth Chamber Studies
   Weathering

Solar Influence
   Biological Responses
   Coral Reefs
   Cosmic Rays
   Droughts
   Floods
   Geological Responses
   Irradiance Measurements
   Magnetic Activity
   Miscellaneous
   Modeling
   Monsoon
   Multi-Proxy Responses
   Precipitation
      Africa
      Asia
      Australia/New Zealand
      Europe
      Global
      North America
      South America
   Streamflow
   Sunspots
   Temperature
      Asia
      Europe
      Global
      Miscellaneous
      North America
      Northern Hemisphere
      South America

Source/Sink Relations

Spring Growth

Starch

Stomatal Conductance
   Agricultural Crops
   General
   Grasses
   Trees

Stomatal Density
   General
   Herbaceous Plants
   Proxy for Past CO2 Levels
   Woody Plants

Storms
   Asia
   Australia/New Zealand
   Dust Storms
   Europe
   Global
   North America
   Northern Hemisphere
   Southern Hemisphere
   Tornadoes

Storm Surge

Stratosphere

Streamflow
   Models
   Natural Variability
      Eurasia
      North America
      Other
   Recent Trends
      Eurasia
      Global/General
      North America
      South America
   Solar Influence

Sugars