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This report documents the spatial and temporal variability of nutrients and related water quality parameters at high spatial resolution in the North Delta in the Sacramento-San Joaquin River Delta of California, USA. The data set includes nitrate, ammonium, phosphate, dissolved organic carbon, temperature, conductivity, dissolved oxygen, turbidity, and chlorophyll. Data-collection were conducted over one day in July 2017 when continuous monitoring stations detected elevated chlorophyll concentration and decreasing nitrate concentrations.
Categories: Data;
Tags: California,
Central Valley,
Environmental Health,
Geochemistry,
Sacramento River, All tags...
Sacramento-San Joaquin Delta,
USGS Science Data Catalog (SDC),
United States,
Water Quality,
Water Resources,
Yolo Bypass,
biogeochemistry,
biota,
delta,
drinking water use,
environment,
high frequency,
high-resolution,
hydrogeology,
inlandWaters,
nutrient content (water),
nutrients,
phytoplankton,
public supply water use,
real-time,
statistical analysis,
visualization methods,
water quality,
water quality, Fewer tags
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The data release contains data for the spatial and temporal variability of nutrients and related water quality parameters at high spatial resolution in the North Delta in the Sacramento-San Joaquin River Delta of California, USA. The data set includes nitrate, ammonium, phosphate, dissolved organic carbon, temperature, conductivity, dissolved oxygen, turbidity, and chlorophyll. Data-collection cruises were conducted over two days in March 2017 during a high flow event when Sacramento Valley flood waters inundate the Yolo Bypass.
Categories: Data;
Tags: Cache Slough,
California,
Central Valley,
Environmental Health,
Geochemistry, All tags...
Lower Sacramento,
Sacramento River,
Sacramento-San Joaquin Delta,
USGS Science Data Catalog (SDC),
United States,
Water Quality,
Water Resources,
Yolo Bypass,
biogeochemistry,
biota,
delta,
drinking water use,
environment,
high-resolution,
hydrogeology,
inlandWaters,
nutrient content (water),
nutrients,
phytoplankton,
public supply water use,
real-time,
statistical analysis,
visualization methods,
water quality, Fewer tags
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Human impacts on the environment are multifaceted and can occur across distinct spatiotemporal scales. Ecological responses to environmental change are therefore difficult to predict, and entail large degrees of uncertainty. Such uncertainty requires robust tools for management to sustain ecosystem goods and services and maintain resilient ecosystems. We propose an approach based on discontinuity theory that accounts for patterns and processes at distinct spatial and temporal scales, an inherent property of ecological systems. Discontinuity theory has not been applied in natural resource management and could therefore improve ecosystem management because it explicitly accounts for ecological complexity. Synthesis...
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Regional- to continental-scale paleoclimate syntheses of temperature and hydroclimate in North America are essential for understanding long-term spatiotemporal variability in climate, and for properly assessing risk on decadal and longer timescales. However, existing syntheses rely almost exclusively on tree-ring records, which are known to underestimate low-frequency variability and rarely extend beyond the last millennium. Meanwhile, many additional records from a variety of archives are available and hold the potential of broadening and enhancing our understanding of past climate in North America over the past two thousand years. We propose to bring together a diverse group of with expertise that spans the relevant...
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