dissolved organic matter Absorbance 1 CDOM 1 Cambodia 1 Chile 1 Loess Plateau 1 Mass Spectrometry 1 Mekong 1 NDC 1 Nenjiang River 1 Oregon 1 Rhyacotriton 1 SDGs 1 SWAT model 1 Stable isotopes 1 US Pacific Northwest 1 afforestation 1 agricultural lands 1 aquatic-riparian ecosystems 1 biomarkers 1 catchment management 1 climate change 1 community drinking-water 1 compound wildfire-water risk 1 connectivity 1 density management harvest 1 dissolved organic carbon 1 drinking-water security 1 ecohydrology 1 ecosystem services 1