forks.worldMapping how the Earth works
PARTICIPANTSRESOURCESDiatomsRiversSpongesMarine bacteriaHydrothermalventsOtherparticipantsSilicic acidBiogenic silicaImpact +4 of 5. Click for details.Impact +4 of 5. Click for details.Impact +4 of 5. Click for details.Impact +4 of 5. Click for details.94%Impact -3 of 5. Click for details.6%Impact +4 of 5. Click for details.↻ reinforces · strong · 0.9Impact +3 of 5. Click for details.Impact +3 of 5. Click for details.Rivers, groundwater, dust, hydrothermal vents and seafloor weathering supply about 14.8 Tmol of dissolved silicon a year (57% more than earlier budgets): makes Silicic acidmakesDiatoms take up silicic acid to build opal frustules: about 255 Tmol Si a year of pelagic production, plus about 6 Tmol by sponges on the seafloor: uses up Silicic aciduses upDiatoms take up silicic acid to build opal frustules: about 255 Tmol Si a year of pelagic production, plus about 6 Tmol by sponges on the seafloor: makes Biogenic silicamakesWhat happens to the opal produced each year?: uses Biogenic silicaDissolves back to silicic acid in the water column and surface sediments (about 94%, computed from the budget): makes Silicic acidmakesDissolves back to silicic acid in the water column and surface sediments (about 94%, computed from the budget): uses up Biogenic silicauses upBuried in sediments or consumed by reverse weathering (about 6%, 15.6 Tmol Si a year), balancing the inputs: uses up Biogenic silicauses upDissolved silicon stays in the ocean about 8,000 years, twice as fast a turnover as previously assumed: uses Silicic acidmakesSilicic acid: makesuses upSilicic acid: uses upmakesBiogenic silica: makesusesBiogenic silica: usesmakesSilicic acid: makesuses upBiogenic silica: uses upuses upBiogenic silica: uses upusesSilicic acid: usesStart: Marine siliconcycle: inputs, diatomuptake, opal export a…STARTStart: Marine silicon cycle: inputs, diatom uptake, opal export and burialEnd: Marine siliconcycle: inputs, diatomuptake, opal export a…ENDEnd: Marine silicon cycle: inputs, diatom uptake, opal export and burialRivers, groundwater,dust, hydrothermalvents and seaflo…📄2Rivers, groundwater, dust, hydrothermal vents and seafloor weathering supply about 14.8 Tmol of dissolved silicon a year (57% more than earlier budgets)Diatoms take up silicicacid to build opalfrustules: about 2…📄1Diatoms take up silicic acid to build opal frustules: about 255 Tmol Si a year of pelagic production, plus about 6 Tmol by sponges on the seafloorWhat happens to theopal produced eachyear?📄1What happens to the opal produced each year?Dissolves back tosilicic acid in thewater column a…📄1Dissolves back to silicic acid in the water column and surface sediments (about 94%, computed from the budget)Buried in sediments orconsumed by reverseweathering (about 6…📄1Buried in sediments or consumed by reverse weathering (about 6%, 15.6 Tmol Si a year), balancing the inputsDissolved silicon staysin the ocean about8,000 years, twice …📄1Dissolved silicon stays in the ocean about 8,000 years, twice as fast a turnover as previously assumed
PositiveNegativeLoops backOpen questionThickness = size of impact · % = share of a fork · drag to pan · ctrl+scroll to zoom · ↘ walks into a subprocess