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Research about Missouri

Source-linked reports with geographic coverage including Missouri.

At least 505 records · Page 28Linked to original sources
USGS1975

Norman Creek, a source of recharge to Maramec Spring, Phelps County, Missouri

Rhodamine WT dye was used to trace the subsurface movement of water from Norman Creek, a losing Ozark stream, to Maramec Spring, a straight-line distance of 8.7 mi (14.0 km). Grab samples and activated charcoal packets were used to check possible emergent points of the dye. The leading edge of the dye reached Maramec Spring 68-75 days after the dye injection, and the peak concentration reached the spring 82-93 d after injection. Small quantities of dye were still being recovered at the spring 114 d after injection and 39-46 d after the dye first arrived at the spring. Computed average velocities, assuming straight-line travel, are 0.47-0.42 ft(0.14-0.13 m)/min for the leading edge and 0.39- 0.34 ft(0.12-0.10 m)/min for the peak. This apparent rate of travel compares favorably with other recent subsurface tracing studies in southern Missouri which generally range from 0.4 to 25 ft(0.12 to 7.6 m)/min.

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USGS1974

Average composition of agriculture soils in Missouri counties

Samples of agricultural soils were collected extensively throughout the State of Missouri for the purpose of evaluating the distribution of elements in soils of the State. Only soils used for agricultural purposes during the year 1970 or before were sampled. It is recognized that these soils may be altered chemically to some minor degree by the application of fertilizers.

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USGS1974

Estimating low-flow frequency for perennial Missouri Ozarks streams

A linear regression model, utilizing an independent variable described as the flow area of a stream, has been developed for use in estimating minimum streamflow at ungaged sites in the Ozarks region of Missouri. The basic premise in the method is that low-flow characteristics at any point on perennial Ozarks streams are significantly related to the average width and depth or flow area of the minimum flows. The standard errors of regression equations defining the 7-day Q2, 7-day Q10, and 7-day Q20 are 41, 60, and 76 percent, respectively. In comparison, standard errors of 170 to 390 percent were obtained during previous regionalization studies.

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USGS1974

Earthquake history of Missouri

Most of Missouri's earthquake activity has been concentrated in the southeast corner of the State, which lies within the New Madrid seismic zone. As recently as Merch 29, 1972, the region was jolted by a magnitude 3.7 shock that was felt over a 168,000 square kilometre area including parts of Arkansas, Illinois, Mississippi, and Tennessee.

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USGS1973

Selected storm events in 5-minute increments from Missouri rainfall stations at Kansas City, St. Louis, Springfield, and Columbia, Mo., for the period 1892-1970

The purpose of this report is to present daily precipitation (see table A) and continual incremental (5-minute duration) rainfall data through entire storm periods (see table B) at four of the longest first-order National Weather Service station records in Missouri. These basic data can be used in model studies, unit-hydrographic techniques, and other rainfall-intensity studies.

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USGS1973

Water resources data for Missouri, water year 1972

Water resources data for the 1972 water year for Missouri including records of streamflow or lake storage at gaging stations, partial-record stations, and selected springs, and records of water-quality data on the chemical and physical characteristics of surface and ground water, are given in this report. In Part 1, records are included for 157 gaging stations of which 150 are streamflow discharge stations, and 7 are lake stations; also are included records for 104 crest-stage partial-record stations. Locations of gaging stations are shown in Figure 1. In Part 2, data on the quality of surface water (chemical, temperature, and sediment) were collected from designated sampling sites at predetermined intervals such as weekly, monthly, or less frequently, and at some sites data were recorded on punched paper tape at 30-, or 60-minute intervals. Records are given for 84 sampling stations of which 25 are partial-record stations and 5 are miscellaneous sites. Locations of water-quality stations are shown in Figure 2. A few pertinent stations (not included above) in bordering States are also included in this report. The records were collected and computed by the Water Resources Division of the U.S. Geological Survey under the direction of Anthony Homyk, district chief. These data represent that portion of the National Water Data System collected by the U.S. Geological Survey and cooperating State and Federal agencies in Missouri.

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USGS1973

Water resources data for Missouri, water year 1973

Water resources data for the 1973 water year for Missouri including records of streamflow or reservoir storage at gaging stations, partial-record stations, and miscellaneous sites, and records of water-quality data on the chemical and physical characteristics of surface water, are given in this report. In Part 1, records are included for 146 gaging stations of which 139 are streamflow discharge stations, and 7 are reservoir or lake stations; also are included records for 106 crest-stage partial-record stations. Locations of gaging stations are shown in figure 1. In Part 2, data on the quality of surface water (chemical, temperature, and sediment) were collected from designated sampling sites at predetermined intervals such as once daily, weekly, monthly, or less frequently, and at some sites data were recorded on punched paper tape at 30-, or 60minute intervals. Records are given for 114 sampling stations of which 25 are partial-record stations, and 30 are miscellaneous sites. Locations of water-quality stations are shown in figure 2. A few pertinent stations (not included above) in bordering states are also included in this report. The records were collected and computed by the Water Resources Division of the U.S. Geological Survey under the direction of Anthony Homyk, district chief. These data represent that portion of the National Water Data System collected by the U.S. Geological Survey and cooperating State and Federal agencies in Missouri. Beginning with the 1961 water year, streamflow records and related data have been released by the Geological Survey in annual reports on a State-boundary basis. Water-quality records beginning with the 1964 water year have been similarly released either in separate reports or in conjunction with streamflow records. These reports are for limited distribution and are designed primarily for rapid release of data shortly after the end of the water year.

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USGS1972

Geochemical Survey of Missouri: Plans and progress for sixth six-month period (January-June 1972)

This is the sixth in a series of reports issued at six-month intervals describing current results of a reconnaissance geochemical survey of the State of Missouri. The survey was begun in July, 1969 and is intended primarily to provide epidemiologists of the Environmental Health Surveillance Center of the University of Missouri with geochemical information in support of their studies on the role of environmental factors underlying human and animal health. Secondarily, the survey is regarded as a pilot venture in the area of environmental geochemistry of large and geologically diverse regions.

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USGS1971

Disappearance and persistence of aldrin after five annual applications

Investigation was initiated in 1965 to ascertain the disappearance rate of aldrin applied on loam soils at the recommended level of 1.5 lb per acre from 1960 through 1964. There was no further application of pesticides. Sampling began in 1965 and extended into 1970. Data from gas chromatographic analyses of soil and earthworm samples, collected spring and fall, showed that more than 95 percent of the pesticide had disappeared before the study began. There was no significant (P > 0.05) reduction in aldrin plus dieldrin residues throughout 6 years of study. Similarly, residues in earthworms ( Allolobophora caligimosa ) failed to decline during the 6 years. Average combined residues for 11 semi-annual collection periods was 0.11 ppm in soils, 0.61 ppm in earthworms, wet-weight bases. Results showed that high levels of pesticide did not accumulate and remain in the soil as a result of annual applications and that a large part of applied aldrin had disappeared within 1 year. Earthworms contained 4 to 15 times (average 5.6) as much aldrin plus dieldrin as was found in soils.

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USGS1971

Generalized flood-frequency estimates for urban areas in Missouri

A method is presented for estimating flood-frequency information for urban areas in Missouri. Flood-frequency relations are presented which provide an estimate of the flood-peak discharge for floods with recurrence intervals from 2.33 to 100 years for basins with various degrees of existing or projected urban development. Drainage area sizes for which the relations are applicable range from 0.1 to 50 square miles. These generalized relations will be useful to the urban planner and designer until more comprehensive studies are completed for the individual urban areas within the State. The relations will also be of use in the definition of flood-hazard areas in Missouri.

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USGS1971

Geochemical Survey of Missouri: Plans and progress for fourth six-month period (January-June 1971)

This is the fourth six-month progress report on a reconnaissance geochemical survey of the State of Missouri. The survey was initiated in July, 1969, to provide epidemiologists of the Environmental Health Center of the University of Missouri with data on the variability in the geochemical environment throughout the State. It is a pilot program in that it is the first attempt to provide information of this kind for so large an area (69,420 sq. mi.), and it is expected that the approaches being developed will be applicable to other reconnaissance investigations designed for similar purposes. The general approach--common to all four phases of the program (rocks, soils, vegetation, and water)--now appears to have taken a final form. The approach to sampling has been described in a following section of the present report. The principal task remaining in the reconnaissance geochemical survey is to follow the general approach through to completion. Some special investigations of selected small areas have been completed (Connor, Shacklette, and Erdman, 1971; Connor, Erdman, Sims, and Ebens, 1971), others are underway, and still others may be started--depending on local situations, or problems, that are identified by us or brought to our attention by others. One important purpose of the reconnaissance survey is to provide background data on the general geochemical setting which may allow more meaningful assessments of local geochemical conditions.

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USGS1971

Geochemical Survey of Missouri: Plans and progress for fifth six-month period (July-December 1971)

This is the fifth of a series of progress reports to the Environmental Health Surveillance Center of the University of Missouri; each report covers a six-month period in our reconnaissance geochemical survey of the State of Missouri that is designed to provide epidemiologists of the Environmental Health Center with data on the variability in the geochemical environment throughout the State. The survey is being directed at geologic units (including both surficial and bedrock units), both agricultural and uncultivated soils, native vegetation and farm crops, and both ground and surface waters. Emphasis is on the environment in its natural state; artificial pollution of the environment is being investigated in a few small areas-principally where such pollution is thought to complicate our efforts to determine the natural environmental character. Adequate knowledge of the natural environmental character is necessary in order to establish a background for judging the degree and extent of environmental pollution.

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USGS1970

Progress of primary feather molt of adult mourning doves in Missouri

The examination of 7,892 adult doves in Missouri between 1953 and 1965 showed that less than 2.5% of adult doves completed their molt before October 1. Adult doves of both sexes began molting their primary feathers during early June in Missouri and lost the last (tenth) primary during the latter half of October. Approximately 140-150 days were required to complete the molt. Thus, early-hatched immatures, which begin their primary molt 25-30 days after hatching, contributed the bulk of the wings with completed molts in September. By correctly classifying September samples of dove wings with a completed molt as young-of-the-year a more accurate young: adult ratio is obtained.

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USGS1970

Soil-food chain-pesticide wildlife relationships in aldrin-treated fields

Soil-food-chain-pesticide wildlife relationships were investigated to learn the concentration of pesticide residues present in soils, macro-invertebrates, vertebrates, and seeds as a result of annual applications of aldrin at recommended rates for pest control. Two central Missouri cornfields treated with aldrin at 1 lb/acre, for 16 and 15 of the past 17 years, were selected for study during 1965-67. Primary samples collected for residue analyses included soils, earthworms (Lumbricidae), crickets (Gryllidae), and two kinds of ground beetles (Carabidae) obtained during early April, June, August, and October. Vertebrates and plant seeds collected during 1967 included white-footed mice ( Peromyscus maniculatus ), toads ( Bufo americanus ), snakes ( Thamnophis sirtalis and Pituophis sayi ), corn ( Zea Mays ), foxtail ( Setaria Faberii ), and annual sunflower ( Helianthus annuus ). Pesticide residues consisted primarily of dieldrin, the degradation product of aldrin. Combined aldrin and dieldrin residues, as two field all-season averages, wet weight basis, were: soils, 0.31 ppm; earthworms, 1.49 ppm; crickets, 0.23 ppm; Harpalus ground beetles, 1.10 ppm; Poecilus ground beetles, 9.67 ppm; white-footed mice, 0.98 ppm; toads, 3.53 ppm; garter snakes, 12.35 ppm; and corn, foxtail, and sunflower seeds less than 0.02 ppm each. Unusually high average residues (37.48 ppm) in Poecilus beetles during June, 1967, were attributed to abnormally high soil moisture and predacious feeding habits of these insects.

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USGS1970

Geochemical Survey of Missouri: Plans and progress for second six-month period (January-June 1970)

This is the second six-month progress report on studies in environmental geochemistry in the State of Missouri initiated on behalf of the Environmental Health Surveillance Project in July, 1969. The studies are being made in support of epidemiological investigations of the Surveillance Project to provide general information pertaining to the occurrence and distribution of chemical elements in rocks, soils, plants, and water throughout the State. Emphasis is placed on the occurrence and distribution of elements in the natural environment, though studies of the effects of some types of chemical pollution are necessarily included. The objectives and plans for the three phases of the Survey that are directed at the rocks, soils, and vegetation are described in the progress report for the first six-month period; those for the phase of the project concerned with the water are described by Gerald L. Feder in a later section of the present report. The addition of this latter phase significantly expands the scope of our study and increases its relevance to studies of human and animal health. Mr. Feder has a valuable background in the geology and hydrology of Missouri, and we are most pleased that he has joined us in this effort.

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USGS1970

Geochemical Survey of Missouri: Plans and progress for third six-month period (July-December 1970)

This third six-month progress report to the Environmental Health Center of the University of Missouri marks the midway point in our studies of the environmental geochemistry of the State. Over 4,000 samples of rocks, soils, vegetation, and groundwater have been collected from throughout the State; most of these are currently in the Geological Survey laboratories under various stages of preparation and analysis. Some preliminary results have been reported in the two previous progress reports, and others are presented here. It is expected that the major part of the analytical task will be completed in the next 6 to 12 months, however, and forthcoming reports should include information of direct application to the epidemiological investigations of the Environmental Health Center. The present report is intended to inform those concerned of our progress, our plans for the forthcoming final field season of the investigation, and to offer some additional preliminary results. Of specific interest to the Environmental Health Center will be the maps showing localities throughout the State where samples, or groups of samples, of rocks, soils, vegetation, and water have been collected so far; the sampling plans have been discussed briefly in the previous progress reports, and will be described in detail, of course, in forthcoming reports along with analyses and interpretations of the laboratory data.

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